Pursuit, Panic, and Power: When a Police Chase Becomes a Constitutional Event

Police pursuit is not merely a tactical decision—it is a constitutional act in motion. The law’s tendency to isolate the moment of impact obscures a more consequential reality: the State often creates, escalates, and controls the very danger it later disclaims.

I. The Chase Is the Constitutional Event

Police pursuit is often described as if it begins with a suspect’s refusal and ends with an officer’s response. That framing is too convenient, too narrow, and too protective of institutional discretion. A pursuit is not merely a tactical sequence. It is not simply a dynamic traffic problem. It is not just a dangerous episode triggered by private misconduct. It is, from its inception, an exercise of public power. Once the State elects to chase, it has made a constitutional choice.

That point matters because the law has long struggled with how to conceptualize movement, resistance, and forced submission under the Fourth Amendment and related constitutional doctrines. The standard account tends to isolate the terminal moment: the crash, the roadblock, the PIT maneuver, the firearm discharge, the physical extraction, the handcuffing. That moment is then treated as the legally significant one. Everything before it is too often framed as prelude, narrative background, or evidence of a suspect’s culpability. But that is not how power works in a pursuit. The constitutional significance does not suddenly appear at impact. It accumulates through state decision-making, through calculated escalation, and through the deliberate transformation of public space into a corridor of coercion.

The central error in much pursuit discourse is the assumption that the chase itself is legally secondary. Under that view, the State is merely reacting to a fleeing person who has chosen danger. But pursuit is not passive. A police department does not become a spectator because a suspect declines to stop. The moment officers activate emergency authority and elect to continue a chase, the government has entered the field as an active producer of risk. It has increased speed, narrowed reaction time, altered traffic patterns, introduced fear into civilian space, and signaled that immediate capture has been prioritized over containment, delayed apprehension, or strategic disengagement. That is not background conduct. That is the exercise of sovereign power under conditions where force is no longer abstract but imminent.

A serious constitutional analysis therefore has to begin at initiation, not termination. Why did the officers decide to chase? What offense justified the pursuit? Was the target known or unknown? Was public identification available for later apprehension? What was the population density of the area? What time of day was it? Was there supervisory authorization? What alternatives existed? What departmental policy governed the decision, and was that policy meaningful or performative? Those are not just best-practices questions. They are the questions that reveal whether the State acted reasonably before the final injury occurred. By the time a pursuit ends in death or catastrophic injury, the critical constitutional decisions have often already been made.

This is where the public narrative and the legal narrative often merge in a damaging way. Departments routinely describe pursuits through a script of inevitability. The suspect fled. Officers had to act. The danger was created by noncompliance. Any resulting harm was tragic, but unavoidable. That script has rhetorical power because it places moral and causal emphasis on the fleeing individual. In many cases, that individual is plainly blameworthy. But constitutional analysis cannot stop there. A person’s decision to flee does not dissolve the State’s duty to exercise force rationally. It does not convert every subsequent government escalation into necessity. It does not authorize the State to pretend that its own operational choices were neutral responses rather than independent causes of danger.

Indeed, one of the most important but underexamined features of police pursuit is that it changes the character of the environment itself. A public street is ordinarily a shared civic space structured by ordinary expectations of movement and safety. Once a pursuit begins, that same street becomes an enforcement instrument. Speed becomes coercive. Intersections become points of hazard. Civilian vehicles become obstacles or collateral exposure points. Pedestrians become foreseeable victims of a decision in which they had no participation. The geography of the neighborhood is effectively conscripted into the State’s attempt to control one person. Roads become channels of pressure. Civilian traffic becomes part of the danger matrix. The surrounding public is involuntarily drafted into a law-enforcement event.

That transformation is constitutionally significant because it reveals the true nature of pursuit. This is not simply an officer trying to “catch up” to someone. It is the projection of government force through machinery, speed, and territorial domination. The officer’s patrol vehicle is not merely transportation. In a pursuit, it becomes an instrument through which the State expresses authority, compresses options, and forces decision-making under escalating conditions. The suspect may still have choices, but those choices are being constrained within a field the government has deliberately intensified. That is not materially different, in constitutional terms, from other forms of coercive state conduct merely because it occurs over distance and at speed rather than at arm’s length.

The law has often been more comfortable recognizing coercion in static encounters than in moving ones. When officers block a path, surround a person, issue commands, or draw weapons, courts understand that liberty has been restrained. Yet when officers engage in a high-speed pursuit through populated areas, the legal system sometimes treats the chase itself as though it were only an attempt at control, not a meaningful exertion of it. That distinction may have doctrinal roots, but it should not be accepted uncritically. A moving assertion of authority can be more coercive, more dangerous, and more foreseeably violent than a stationary one. The Constitution should not become less protective simply because force is expressed through velocity rather than proximity.

There is also a deeper institutional reason this distinction persists. Treating the chase as legally secondary protects departments from scrutiny at the point where their policy choices are most vulnerable. If the constitutional inquiry begins only at the instant of impact, then the analysis avoids the uncomfortable terrain of initiation decisions, supervisory failures, training defects, and policy architecture. The State can litigate the case as though the only relevant question is whether the final act of force was reasonable under rapidly evolving circumstances. That framing narrows the field. It isolates the endpoint. And it conceals the extent to which the State itself manufactured the rapid evolution it later invokes.

That problem becomes especially acute in cases involving low-level suspected offenses. The pursuit of a person believed to have committed a minor traffic infraction, a property offense, or another nonviolent violation raises the clearest constitutional contradiction. Departments often speak in the language of law, order, and immediate compliance. But once officers decide to chase at speed through a civilian environment, the government has made a value judgment that the need for immediate apprehension outweighs the foreseeable risk of grave injury or death. That judgment deserves far more constitutional scrutiny than it typically receives. A legal system that demands proportionality in other uses of force cannot become agnostic when the chosen method of control predictably turns roads into impact zones.

Nor should the analysis be limited to the pursued individual. A pursuit is one of the clearest examples of how police power affects people who were never the object of suspicion. Innocent motorists, passengers, bicyclists, street vendors, children crossing intersections, parents pushing strollers, and residents standing on corners all become part of the constitutional landscape once a chase begins. Their bodily security is placed at risk not by generalized social conditions, but by a deliberate government decision to continue a dangerous course of enforcement in shared public space. It is not enough for courts or departments to call those injuries collateral. The word “collateral” often functions as an institutional euphemism for foreseeable harm absorbed by civilians who had no say in the State’s priorities.

The problem, then, is not merely that pursuit can end badly. Many police actions can end badly. The problem is that pursuit requires the State to make a sequence of discretionary judgments in real time while invoking urgency as both shield and explanation. The doctrine must be capable of separating genuine necessity from institutional habit. It must ask whether the chase was needed, whether it was proportionate, whether it was competently supervised, whether alternatives existed, whether the environment made continuation unreasonable, and whether the objective justified the risk imposed on everyone nearby. Without that inquiry, constitutional law becomes a witness to pursuit rather than a restraint on it.

A more coherent framework would begin with a simple but too often neglected premise: a pursuit is not constitutionally neutral until contact occurs. It is a continuous assertion of official power designed to produce submission, disable escape, or force an ending on terms chosen by the State. The methods vary. The intensity varies. The endpoint varies. But the governmental character of the act does not suddenly materialize at collision. It exists from the moment officers decide that the target must be stopped now, in this place, under these conditions, even if doing so predictably magnifies danger.

That is why the chase itself must be understood as the constitutional event. It is the moment when the government converts a suspected violation into a public-risk operation. It is the point at which discretion becomes danger, policy becomes lived consequence, and enforcement becomes environmental control. The final stop may be the most visible part of the event. It is rarely the most important constitutional part of it. By then, the State has already made the decision that defines the rest: that pursuit, with all of its foreseeable violence, is preferable to restraint.

Any serious legal treatment of police pursuit must therefore resist the comforting fiction that the Constitution begins at impact. It begins when the State chooses to chase.

II. The Seizure Problem: When Does a Pursuit Become a Fourth Amendment Event?

The constitutional instability of police pursuit begins with a basic doctrinal problem: the law does not always treat pursuit as a seizure, even when every person involved understands that the police are attempting to stop, control, and capture a fleeing subject. That gap between legal recognition and operational reality has shaped pursuit jurisprudence for decades. It is also the reason courts have too often postponed meaningful Fourth Amendment scrutiny until the very last moment—after the chase, after the collision, after the shot, after the body is already broken.

The starting point is familiar but deceptively incomplete. In Michigan v. Chesternut, 486 U.S. 567 (1988), the Supreme Court rejected a categorical rule that every “investigatory pursuit” is a seizure, holding instead that the inquiry remains contextual and turns on whether police conduct would have communicated to a reasonable person that he was not at liberty to ignore the police presence and go about his business. In Chesternut, the Court concluded that officers slowly following a running suspect in a patrol car, without sirens, commands, or a blocking maneuver, did not amount to a seizure on those facts. The decision did not declare pursuit constitutionally irrelevant. What it did was refuse to equate all pursuit with seizure as a matter of law.

That holding has had consequences far beyond its narrow facts. It helped preserve a doctrinal space in which police movement toward a suspect can be treated as merely observational or investigatory, even where the practical object of the encounter is control. In ordinary street language, that distinction is strained. If marked police units pursue a person who is trying to leave, the event is plainly coercive. But constitutional doctrine has insisted on a further question: was there either physical force or submission to authority? Without one of those two features, many courts have treated the chase as an attempted seizure rather than a completed one. That distinction has proven decisive in pursuit cases because it allows the State to argue that a great deal of dangerous police conduct occurred before the Fourth Amendment was fully implicated at all.

The doctrinal hinge is California v. Hodari D., 499 U.S. 621 (1991). There, the Court drew the now-famous line between a mere show of authority and an actual seizure. Hodari D. held that where there is no physical force, a seizure requires submission to the assertion of authority. A command to stop, standing alone, is not enough if the target continues to flee. The Court also stated that an arrest requires either physical force or, absent that, submission to authority. In other words, an unheeded command may be an attempted seizure, but it is not yet a seizure within the meaning of the Fourth Amendment.

That proposition has enormous implications in pursuit litigation. Once a driver flees rather than submits, the State can argue that the chase itself remains outside the completed-seizure framework unless and until officers apply force or the driver yields. The danger of that rule is not just technical. It effectively allows the government to characterize a substantial period of coercive escalation as pre-constitutional background. The police vehicles cars accelerate. The roadway is transformed. Intersections become predictable hazard points. Civilian motorists are exposed to state-created danger. Yet the law may still insist that no seizure has occurred because the target has not submitted. The Constitution, under that logic, begins late.

That lateness is doctrinally convenient. It narrows the field of review to the terminal event. Instead of asking whether it was reasonable to initiate or continue the chase through a dense urban environment, courts are invited to ask only whether the final impact, final ramming maneuver, or final gunshot was justified at the point of culmination. The earlier escalation disappears into narrative rather than analysis. This is precisely the kind of chronological narrowing that the Supreme Court more recently rejected in Barnes v. Felix, 605 U.S. 73 (2025), where the Court unanimously held that excessive-force claims must be judged under the totality of the circumstances and that courts cannot put on “chronological blinders” by focusing only on the final seconds before force was used. Although Barnes arose from a roadside shooting rather than a prolonged pursuit, its logic is directly relevant here: the Fourth Amendment does not permit a court to isolate the terminal moment and ignore the sequence of state conduct that produced it.

The significance of Barnes is difficult to overstate for pursuit cases. The Court reaffirmed that reasonableness analysis under Graham v. Connor, 490 U.S. 386 (1989), requires “careful attention” to the facts and circumstances of the case, including the severity of the crime, the immediacy of the threat, and whether the suspect was resisting or attempting flight. But Barnes added something especially important to pursuit doctrine: the totality inquiry has no fixed temporal cut-off. Earlier events may shape how a reasonable officer would understand later ones. That means the constitutional inquiry is not confined to the instant when force is finally deployed. It extends backward into the decisions that made that moment foreseeable.

That correction matters because pursuit cases have long invited a compressed judicial lens. A fleeing vehicle creates obvious urgency, and urgency tends to collapse analysis into the final threat. But a police pursuit is not a meteorological event. It is not weather. It is an operational sequence shaped by human choice, departmental policy, training, supervision, and enforcement objectives. The target may choose flight, but the State chooses whether to convert that flight into a high-risk apprehension event. Once courts acknowledge that earlier police decisions belong within the reasonableness inquiry, the seizure question itself becomes less artificial. The law can no longer pretend that the only constitutionally meaningful point is the instant of impact.

There is another doctrinal reason the seizure question becomes unstable in pursuit cases: the law of show-of-authority seizures is built largely around the language of submission, but pursuits often involve forced endings rather than voluntary acquiescence. The classic traffic stop offers a clean example of a seizure because the officer’s assertion of authority is met with compliance. In Brendlin v. California, 551 U.S. 249 (2007), the Court explained that a traffic stop curtails the passenger’s movement just as surely as the driver’s because no reasonable occupant would feel free to leave without police permission. That is a conventional seizure: authority is shown, movement is restrained, compliance occurs.

A pursuit disrupts that model. There is no clean submission. There is resistance, acceleration, evasion, and a moving contest over control. But the absence of submission should not obscure the reality that the police objective remains the same: restraint of liberty. The real doctrinal question is therefore not whether the officers were trying to seize the person. They plainly were. The question is when the law will recognize that attempt as having constitutional consequences. If the answer is “only after physical force lands or actual submission occurs,” then the law has chosen a definition that systematically underweights the significance of police escalation.

That problem was partly corrected, though not fully solved, by Torres v. Madrid, 592 U.S. 306 (2021). There, the Court held that the application of physical force to the body of a person with intent to restrain is a seizure even if the person does not submit and is not subdued. That holding repudiated the idea that all unsuccessful uses of force are merely attempted seizures. A bullet that strikes its target with intent to restrain is a seizure, even if the person keeps moving. Torres therefore restores an older common-law understanding that force can complete the seizure even where detention is not immediate or durable.

For pursuit doctrine, Torres matters because it narrows the gap that Hodari D. seemed to open. After Torres, the State can no longer say that force which lands but fails to stop the subject is outside the Fourth Amendment simply because flight continued. That is a major doctrinal correction. But it still leaves open the larger structural problem. If officers chase a vehicle for miles, manipulate traffic conditions, force evasive reactions, and ultimately trigger a crash without a clearly intentional contact, courts may still debate whether the Fourth Amendment was implicated before the final touchpoint. In that sense, the pursuit setting continues to expose the law’s discomfort with coercion in motion.

The cleanest way to understand the problem is this: seizure doctrine has historically been more comfortable with possession than with process. It knows how to identify control once a body is pinned, a car is stopped, or a bullet has landed. It is less comfortable analyzing the coercive build-up through which police convert an ordinary public space into an enforcement theater. Yet that build-up is precisely where many of the most consequential constitutional decisions are made.

A serious legal treatment of pursuit should therefore reject two errors at once. The first is the claim that pursuit itself is always a seizure. Chesternut does not permit that simplification. The second, and more damaging, error is the claim that pursuit is constitutionally insignificant until submission, impact, or bodily force occurs. Barnes, Graham, Hodari D., and Torres together point in a different direction. They show that the law of seizure in this area is not static but layered: show of authority requires submission; physical force with intent to restrain can itself complete a seizure; and reasonableness cannot be assessed by amputating the earlier facts that gave rise to the final use of force.

The result is not doctrinal simplicity. It is doctrinal honesty. Police pursuit becomes a Fourth Amendment event at different points depending on how the State acts—through authority, through force, through engineered collision, or through compelled stopping. But the law should no longer tolerate the fiction that the chase is legally empty until the last second. In constitutional terms, pursuit is not a gap between police action and police force. It is the moving framework through which force is often prepared, justified, and delivered.

III. Physical Force, Intent, and the Manufactured Collision

If Section II identifies the doctrinal problem, Section III identifies the physical mechanism through which pursuit becomes seizure: not only through hands, bullets, or handcuffs, but through vehicles, roadways, roadblocks, ramming maneuvers, and tactical decisions deliberately designed to terminate movement. This is where pursuit doctrine becomes most revealing. It exposes whether the law is willing to treat machinery and momentum as instruments of state force, or whether it will continue to imagine “force” only in its most familiar forms.

The foundational case is Brower v. County of Inyo, 489 U.S. 593 (1989). There, officers erected an eighteen-wheel truck across both lanes of a highway, concealed it behind a curve, and positioned headlights so as to blind the fleeing driver. The driver crashed into the roadblock and died. The Supreme Court held that a seizure occurs “only when there is a governmental termination of freedom of movement through means intentionally applied,” and it had little difficulty concluding that the roadblock, as alleged, qualified. The importance of Brower is not only that it recognized a seizure. It is that the Court recognized a seizure accomplished through environmental engineering. The State did not seize Brower by laying hands on him. It seized him by arranging the roadway itself as an instrument of stoppage.

That principle is broader than roadblocks. Brower also made clear that it is enough that the person is stopped by the very instrumentality set in motion or put in place to achieve that result. That language is crucial for modern pursuit analysis because police force in this setting is often delivered indirectly. A cruiser boxes in a suspect vehicle. Another cuts off escape. A third applies a Precision Immobilization Technique (PIT) maneuver. An officer rams from the rear. A blockade is formed at an angle that makes collision nearly inevitable. The object is the same in each instance: the State intentionally uses machinery, space, and kinetic force to terminate movement. Under Brower, that is not accidental consequence. It is seizure through means intentionally applied.

The distinction between intentional and accidental force matters because governments often litigate pursuit deaths as though the collision were merely a tragic byproduct of flight. Brower rejects that simplification. The Court distinguished between an intentional stopping mechanism and a case where a pursuing police car accidentally causes a suspect to crash. A seizure requires more than government desire that movement end; it requires that freedom of movement be terminated through means intentionally applied. That requirement is not a loophole for departments. It is a test of operational design. What did the officers intend to do? What instrument did they deploy? Was the collision, stoppage, or bodily impact the very means by which control was to be accomplished? Those questions move the analysis out of abstraction and into tactics.

This is where pursuit law becomes especially important for civil-rights litigation. Departments frequently describe contact maneuvers as “termination techniques,” a label that can obscure what they are in constitutional fact: force applications likely to produce grave bodily harm. A PIT maneuver at moderate speed on an open roadway may differ from one performed in a dense commercial corridor. Ramming a car on an empty desert road is not the same as ramming it near an intersection crowded with pedestrians. But in each case, the police vehicle is being used as a coercive instrument. The road is no longer neutral terrain. It has become part of the method of seizure.

That understanding is fully consistent with the Supreme Court’s more recent cases. In Scott v. Harris, 550 U.S. 372 (2007), the Court treated Deputy Scott’s decision to ram Harris’s vehicle and force it off the road as a seizure and then moved directly to the reasonableness question. The Court held that an officer’s attempt to terminate a dangerous high-speed chase threatening innocent bystanders did not violate the Fourth Amendment on those facts, even though it placed the fleeing motorist at risk of serious injury or death. Whatever one thinks of Scott’s reasoning, the doctrinal point is clear: when police intentionally use a cruiser to stop a fleeing vehicle, the Fourth Amendment is not absent. The constitutional issue becomes whether the force used to accomplish the seizure was reasonable.

But Scott also illustrates the danger of letting the reasonableness inquiry become too officer-centric. The Court emphasized the severe danger Harris posed to the public and refused to adopt a rule requiring police to let reckless suspects escape whenever flight itself creates risk. That holding has been repeatedly invoked by departments defending pursuit-ending force. Yet Scott is often cited more broadly than it should be. The opinion was driven by its own videotaped facts and by the Court’s conclusion that the chase posed a substantial and immediate risk of serious physical injury to others. Even Justice Stevens’s dissent underscored the point that context matters—that a high-speed chase in a desert is not the same as one through the heart of a city. That warning remains doctrinally important because the risk calculus in pursuit cases is profoundly location-sensitive.

The next major case, Plumhoff v. Rickard, 572 U.S. 765 (2014), extended Scott in a way that deepened the constitutional stakes. There, officers fired fifteen shots at the driver of a fleeing vehicle after a dangerous chase. The Court held that the officers acted reasonably in using deadly force because Rickard’s outrageous and prolonged flight posed a grave public safety risk, and the chase had not ended when the shots were fired. The Court further stated that if officers are justified in firing to end a severe threat to public safety, they need not stop shooting until the threat has ended. Again, whatever one thinks of the outcome, Plumhoff is doctrinally significant because it treats pursuit-ending gunfire as part of one integrated seizure event. The flight, the traffic danger, the temporary standstill, the renewed attempt to escape, and the fatal shots all form part of the same Fourth Amendment analysis.

That integrated approach becomes even more important after Torres. Torres held that the application of physical force to the body with intent to restrain is a seizure even if the person is not subdued and continues to flee. The Court stressed that what matters is the objective manifestation of intent to restrain, not successful control. In pursuit doctrine, that principle closes a gap that once enabled defendants to characterize shots that struck but did not immediately stop a suspect as unsuccessful attempts outside the seizure framework. After Torres, force that lands counts. The question then becomes whether that force, delivered in the course of pursuit or to end it, was reasonable.

The deeper significance of Torres is conceptual. It restores the idea that police force can be constitutionally operative even when domination is incomplete. That matters in vehicle cases because officers often deploy force in ways that are neither instantaneous nor neatly conclusive. A bullet may strike but fail to immobilize. A ramming maneuver may redirect the vehicle but not stop it immediately. A roadblock may force a crash rather than a surrender. A PIT may induce a spinout that exposes occupants and bystanders alike to secondary injury. In each of these situations, the State has done more than attempt to seize. It has physically acted upon the body or the vehicle as a means of control.

What these cases collectively show is that the Constitution must account for force delivered through systems, not merely through direct bodily contact. The police cruiser, in pursuit settings, is not just a mode of transportation. It is an instrument of compulsion. The roadway is not just scenery. It is a medium through which police tactics may be translated into impact. Once that is understood, the common departmental habit of describing collision-based force as simply “ending the chase” becomes analytically unacceptable. Ending the chase is not a neutral outcome description. It is often the very objective of the force.

That point also reveals why the language of “accident” is so often abused in pursuit litigation. Some events are, of course, genuinely accidental. A pursuing officer may lose control without intending contact. A fleeing driver may crash independently of any designed police stopping mechanism. Brower itself preserves the distinction between intentionally applied means and unintended consequences. But institutions too often exploit that distinction to flatten more culpable conduct into the vocabulary of mishap. If officers deliberately create a condition highly likely to force impact, their use of force cannot be laundered by calling the final collision accidental. Constitutional analysis turns on the means intentionally applied, not the semantic cleanliness of the after-action report.

Recent doctrine strengthens this point rather than weakens it. Barnes makes clear that courts evaluating force may not isolate the final second and ignore the broader sequence. In pursuit-ending force cases, that means the deliberate police choices preceding impact matter: whether officers escalated over a trivial offense, whether safer containment alternatives existed, whether the location made force disproportionately dangerous, and whether the officers themselves helped create the conditions they later described as requiring violent termination. The Court in Barnes expressly rejected an inquiry confined to the final moment of danger. That doctrinal correction should have real force in pursuit cases, where the temptation to focus only on the final threat is especially strong.

The cleanest constitutional formulation, then, is this: when officers use vehicles, road design, barriers, firearm rounds, or other physical mechanisms to restrain movement, they are using force within the meaning of the Fourth Amendment. The central questions are whether the means were intentionally applied, whether they were intended to restrain, and whether the force was objectively reasonable under the full circumstances. What courts should not do is pretend that the machinery of pursuit somehow lies outside the ordinary grammar of seizure.

Police pursuit forces the law to confront a simple but uncomfortable reality. The State does not only seize with hands. It seizes with steel, momentum, and geometry. It seizes by turning traffic patterns into pressure, escape routes into choke points, and moving vehicles into constitutional instruments. Once that is recognized, the manufactured collision is no longer a doctrinal afterthought. It is what it has always been: a form of state force whose legality must be judged with the same rigor the Constitution demands everywhere else.

IV. Objective Reasonableness on a Moving Street

Once a pursuit ends in physical force—whether by ramming, roadblock, firearm discharge, or engineered collision—the constitutional inquiry moves to reasonableness. But that is precisely where courts have often made pursuit doctrine too thin. The error is not that courts ask whether force was reasonable. The error is that they too often ask that question too late.

The Fourth Amendment standard is well established. In Graham, the Supreme Court held that force claims arising in the course of a seizure are governed by an objective reasonableness standard that requires “careful attention” to the facts and circumstances of the particular case, including the severity of the crime at issue, whether the suspect posed an immediate threat to the safety of officers or others, and whether he was actively resisting arrest or attempting to evade arrest by flight. The test is objective, not subjective. It is shaped by the perspective of a reasonable officer on the scene rather than by hindsight. But Graham never authorized courts to amputate the sequence of events and inspect only the final second before impact. Its command is the opposite: the “totality of the circumstances” governs.

That point is now clearer than ever after Barnes. In Barnes, the Court unanimously rejected the so-called moment-of-threat rule, under which some courts had evaluated a police shooting by focusing narrowly on whether deadly force was justified at the instant the threat peaked. The Court held that approach conflicts with the Fourth Amendment’s totality-of-the-circumstances framework. Reasonableness has no artificial temporal cutoff. Earlier police conduct, including the decisions that produced the final confrontation, remains part of the constitutional analysis.

That holding has major consequences for police pursuit doctrine. Pursuit cases have long encouraged exactly the kind of temporal distortion that Barnes rejected. Once a vehicle is moving at high speed, once traffic is dense, once the suspect becomes desperate, courts are often invited to focus on the terminal emergency. The final threat dominates the judicial imagination. Was the suspect driving toward officers? Was the vehicle still mobile? Were bystanders at immediate risk? Those questions matter, but they are not the only questions that matter. Under Barnes, the court must also account for the choices that made the terminal danger foreseeable in the first place.

That means reasonableness in a pursuit case cannot begin at impact. It must begin at initiation. Why was the chase started? What was the underlying offense? Did officers know the identity of the driver, making later apprehension possible without immediate pursuit? Did the event unfold on an empty highway, a suburban arterial, or a dense city corridor lined with civilian traffic and pedestrians? Was it daylight or late at night? Was the area residential, commercial, or mixed-use? What speeds were reached? What supervisory review occurred? What did departmental policy authorize, restrict, or prohibit? Those are not merely operational details. They are the factual architecture of reasonableness.

The Supreme Court’s own pursuit cases show why. In Scott, the Court held that Deputy Scott did not violate the Fourth Amendment by using his cruiser to terminate a dangerous high-speed chase that threatened the lives of innocent bystanders. The Court’s reasoning turned heavily on the extraordinary danger created by the flight itself, emphasizing that the suspect’s driving posed a substantial and immediate risk to the public. But even Scott did not establish a free-floating rule that police may use severe force whenever a vehicle flees. The opinion was rooted in its particular facts, including a videotaped chase on open roads that the Court concluded was gravely dangerous from start to finish.

The trouble is that Scott has often been cited as though it constitutionalized the broad proposition that once a suspect drives recklessly, almost any pursuit-ending force becomes reasonable. That is a misuse of the case. Scott did not erase Graham. It did not erase proportionality. It did not hold that every fleeing motorist presents the same level of public danger, or that every environment justifies the same level of force. Indeed, the constitutional significance of location, density, and alternatives remains central. A chase through a relatively open corridor is not the same as a chase through a crowded commercial district. A vehicle that can later be identified and apprehended presents a different reasonableness calculation from one whose driver is unknown and armed. A suspected violent felony presents a different calculus from a low-level property offense or traffic violation. The legal analysis becomes unsound when courts flatten those distinctions into a generic “flight equals danger” formula.

This is why reasonableness in pursuit cases must be examined across what might be called the escalation chain. The first question is necessity: did the circumstances warrant immediate apprehension by pursuit rather than containment, delayed arrest, or disengagement? The second is proportionality: did the governmental interest in immediate capture justify the risks the chase would predictably impose on the driver, passengers, bystanders, and officers? The third is management: once the chase began, was it conducted under disciplined supervision, policy compliance, and location-sensitive judgment, or did it devolve into reflexive continuation? The final question is terminal force: once officers used contact, gunfire, or forced stoppage, was that force reasonable in light of the full path that led there? Those questions are not inventions. They are simply the Graham totality inquiry taken seriously in the context of motion.

Plumhoff einforces the need for that integrated analysis even as it illustrates the doctrine’s risks. The Court held that officers did not violate the Fourth Amendment when they fired fifteen shots to end a dangerous chase after the driver resumed flight following a brief stop. The Court stressed the prolonged and hazardous nature of the pursuit and concluded that the threat to public safety had not ended when the shooting occurred. But Plumhoff should not be read to mean that prolonged flight itself dissolves constitutional limits. What Plumhoff actually reflects is a judgment that the severity of the threat, on those facts, justified deadly force at that point in the escalation chain. A proper reading still requires attention to the factual setting, the immediacy of danger, and the alternatives reasonably available.

This is where police departments often gain an institutional advantage in litigation. They narrate pursuits from the endpoint backward. The report begins with the danger visible at the conclusion rather than with the discretionary decisions visible at the beginning. By the time the force is described, the chase has already been rhetorically normalized. The suspect refused to stop. Speeds increased. Risk escalated. Force became necessary. That narrative can be powerful because it presents the final danger as self-generating rather than as the product of cumulative state choice. But the Fourth Amendment does not allow courts to treat police-created conditions as analytically invisible. Barnes makes that plain. So does the basic logic of Graham. Reasonableness is not a freeze-frame. It is a sequence.

That sequential analysis matters especially in cases involving low-level offenses. If officers initiate a high-speed chase over a minor violation, then enter a dense civilian environment, continue despite rising danger, and ultimately use violent termination tactics, the State cannot simply point to the suspect’s final recklessness and claim constitutional absolution. The gravity of the initial government interest remains relevant. So do the alternatives. So does the predictability of harm. A legal regime that permits immediate high-risk pursuit over trivial underlying conduct without serious scrutiny effectively licenses disproportionality under the language of compliance.

Nor can the constitutional analysis ignore innocent third parties. The “immediate threat” factor in Graham is often discussed as though the relevant danger runs only between officer and suspect. But pursuits place entire communities inside the force equation. Bystanders in cars, on sidewalks, at intersections, or in storefront corridors become foreseeable subjects of the government’s enforcement choice. That does not mean all pursuits are unreasonable. It does mean that public exposure is part of the reasonableness inquiry, not a tragic side issue after the fact. A department that justifies pursuit in the name of public safety must be required to explain why its tactics were actually calibrated to preserve that safety.

The cleanest doctrinal point, then, is this: objective reasonableness in a pursuit case cannot be measured solely by the final threat that officers confront. It must also account for the prior decisions that shaped, intensified, or failed to contain that threat. Barnes rejects chronological blinders. Graham demands totality. Scott and Plumhoff confirm that severe force in pursuit settings may be reasonable on some facts, but neither case erases the need for context, proportionality, and environment-specific analysis. Properly understood, the Fourth Amendment asks not only whether officers acted reasonably when the chase ended, but whether they acted reasonably in making it unfold that way at all.

V. Due Process, State-Created Danger, and the Problem of Doctrinal Evasion

Not every pursuit injury fits neatly inside the Fourth Amendment. That is where the jurisprudence becomes more difficult—and more revealing. A bystander killed during a chase may not have been “seized” at all. A fleeing person injured in a crash may face doctrinal resistance if the government did not terminate movement through means intentionally applied. In those settings, courts often shift the analysis to substantive due process. But that shift has too often become a mechanism for narrowing constitutional accountability rather than confronting the reality of state-created danger.

The central case is County of Sacramento v. Lewis, 523 U.S. 833 (1998). There, a sheriff’s deputy pursued a motorcycle at high speed. The motorcycle tipped over, and the deputy’s patrol car struck and killed the passenger, Philip Lewis. The Supreme Court held there was no seizure because no intentional acquisition of physical control had occurred; the fatal collision was not the product of means intentionally applied within the meaning of Brower. The Court then turned to substantive due process and held that in a high-speed chase aimed at apprehending a fleeing suspect, liability requires conduct that “shocks the conscience.” In that context, the Court concluded, only an intent to harm unrelated to legitimate law-enforcement objectives would satisfy the standard where officers must make split-second decisions in a rapidly evolving emergency. Mere deliberate or reckless indifference was not enough on those facts.

Lewis is indispensable, but it is also the case that most clearly reveals the limits of existing doctrine. On one level, its reasoning is straightforward. The Due Process Clause is not a general tort code. Constitutional liability for executive conduct requires more than negligence, and the Court was deeply reluctant to constitutionalize every tragic outcome of a police chase. The Court emphasized that where actual deliberation is impractical and officers are forced to make urgent judgments, only a purpose to cause harm unrelated to the legitimate object of arrest would shock the conscience.

On another level, however, Lewis creates a profound accountability gap. It leaves open the possibility that the State may dramatically intensify danger through a pursuit, cause catastrophic injury or death, and still avoid constitutional liability unless the plaintiff can prove a purpose to harm unrelated to law enforcement. In practice, that is a formidable barrier, especially where departments and officers can always articulate a nominal enforcement objective. The result is that many pursuit-related injuries fall into a doctrinal trough: no seizure under the Fourth Amendment, and no conscience-shocking conduct under substantive due process absent extraordinary proof of malicious purpose.

That gap has strategic and conceptual consequences. Strategically, it gives defendants an incentive to argue no seizure whenever possible, because doing so shifts plaintiffs into the narrower terrain of Lewis. Conceptually, it encourages courts to treat state-created danger during pursuits as though it were simply the backdrop to suspect misconduct rather than a constitutional problem in its own right. The doctrine becomes a language of avoidance: no seizure here, no conscience-shocking conduct there, and therefore no federal constitutional claim despite an obviously state-intensified zone of danger.

That is precisely why the due process analysis must be handled carefully in a thought-piece like this. The argument cannot be that Lewis should be ignored. It cannot. The argument is that Lewis should be read for what it is: a caution against converting negligence into constitutional torts, not a license to disappear the State’s role in manufacturing danger. The decision itself recognized that the touchstone of due process is protection against arbitrary government action and that executive abuse of power becomes constitutionally cognizable when it “shocks the conscience.” The real dispute in pursuit cases is over how to identify arbitrariness when a danger-producing policy choice is made under the banner of law enforcement.

There is a further doctrinal wrinkle. The Supreme Court has repeatedly stated that where a particular constitutional amendment provides an explicit source of protection against a particular kind of government conduct, that amendment—not the generalized notion of substantive due process—controls. Lewis itself invoked that principle. That means the Fourth Amendment governs where there is a seizure, while substantive due process fills the space where there is not. But that framework can become evasive if courts define seizure too narrowly and then define conscience-shocking conduct too narrowly as well. The constitutional map ends up with large zones of state-caused harm that are real, foreseeable, and publicly devastating, yet difficult to litigate under either route.

This is where the concept commonly referred to as state-created danger becomes analytically useful, even though the Supreme Court has not adopted a single broad national formulation of that doctrine. The core idea is simple: the Constitution is implicated not only when the State directly restrains liberty, but also when it affirmatively places a person in danger or renders a danger more acute through its own conduct. In the pursuit context, that idea is especially compelling. The government does not merely encounter danger during a chase; it often amplifies it. It increases speed, pressure, confusion, and collision risk. It turns public streets into enforcement corridors. It exposes bystanders to danger that did not exist in the same form before the chase. That does not mean every pursuit becomes a substantive due process violation. It does mean that the conventional language of “the suspect caused everything by fleeing” is constitutionally incomplete.

The obstacle, of course, is Lewis’s shock-the-conscience threshold. And that threshold is demanding for good reason. Constitutional litigation cannot become a substitute for negligence law every time an officer makes a poor tactical decision. But neither should courts use the threshold to sterilize obviously arbitrary state conduct. The standard should force careful line-drawing, not broad immunity by characterization. A department that authorizes or tolerates high-speed pursuits through crowded civilian areas over trivial offenses, without meaningful necessity analysis or supervision, is making choices that can fairly be described as arbitrary in a constitutional sense even if no individual officer set out with personal malice. The law has been hesitant to say so. That hesitation is itself part of the problem.

There is also a temporal dimension here that pursuit cases routinely obscure. Lewis emphasized the split-second nature of the deputy’s decisionmaking in that case. But not all pursuit decisions are truly split-second in the same way. Some are reviewed by supervisors. Some continue for extended periods. Some involve repeated opportunities to terminate. Some are governed by detailed written policies. Some concern underlying offenses so slight that the need for immediate capture is inherently doubtful. In those cases, the claim that officers had no time for actual deliberation becomes less convincing. The longer the pursuit continues, the more policy and supervision matter, and the less persuasive it becomes to treat the entire event as one uninterrupted burst of instinctive reaction. That distinction is vital because the level of culpability required under substantive due process analysis has often been linked to the degree of deliberation practically available.

The broader point is that pursuit doctrine should not permit the State to hide behind doctrinal compartmentalization. If there is a seizure, the Fourth Amendment governs and the totality of the circumstances must be examined without chronological blinders. If there is no seizure, substantive due process remains available to address truly arbitrary, conscience-shocking escalation. What should not happen is what too often does happen: the State denies seizure, invokes Lewis, characterizes the event as a suspect-generated emergency, and treats the constitutional analysis as effectively over.

That is why the due process discussion belongs in this thought-piece not as a fallback section, but as an exposure of doctrinal evasion. When police pursuit injures or kills people who were never seized, the Constitution has not necessarily fallen silent. The harder question is whether courts are willing to recognize when government danger-production crosses the line from tragic error into arbitrary abuse. Lewis sets a demanding standard, but it does not authorize indifference to state-created peril. It requires courts to distinguish between ordinary negligence and conscience-shocking conduct. The challenge is that pursuit cases have too often been narrated in a way that makes the State’s own escalation choices disappear before that distinction is even honestly attempted.

Properly understood, then, Section V is not about escaping the Fourth Amendment. It is about confronting what happens when the Fourth Amendment does not fully reach the harm. In that space, due process should function as a constitutional check on arbitrary danger-production, not as a doctrinal graveyard where pursuit victims’ claims go to die.