Searches, retaliation and police misconduct evidence in Michigan

Not on welfare-check grounds alone. The Supreme Court held in Caniglia v Strom that the community caretaking doctrine does not by itself justify warrantless searches and seizures in the home. Police may still rely on other doctrines, such as consent or a true emergency, which are analyzed on their own facts.

In Caniglia, officers responding to a welfare concern entered a home and took firearms. The lower court relied on a community caretaking exception drawn from a case about an impounded vehicle. The Supreme Court held that neither the holding nor the logic of that vehicle case justifies warrantless searches and seizures in the home, and it stressed that vehicles and homes are constitutionally different. The ruling does not address every justification police may offer for entering a home. It removes one broad justification. Consent, emergency aid, and other recognized doctrines remain, and officers often argue them. In Case v Montana, decided by the Supreme Court in January 2026, the Court said an emergency-aid entry is judged by whether officers had an objectively reasonable basis for believing an occupant was seriously injured or imminently threatened with such injury, and it declined to require probable cause. The questions that matter are what the officers knew, whether anyone consented, how urgent the situation looked, and what the officers actually did once inside. A claim after such an entry can cover the entry, any seizure of property or person, and any resulting arrest. Documentation of what was said at the door helps, so dispatch records and body camera footage are worth requesting.

Authority: Caniglia v Strom, 593 US 194 (2021); Case v Montana, 607 US 107, 146 S Ct 500 (2026). Reviewed Oct. 2026.

Generally they need a warrant. In Riley v California, the Supreme Court held that police generally may not search digital information on a cell phone seized from an arrested person without a warrant. Consent and emergencies are analyzed separately on their own facts.

Riley v California considered two cases in which officers searched phones after arrests without warrants. The Court explained that the search-incident-to-arrest doctrine does not extend to the digital information stored on a modern phone, and it held that police generally must get a warrant first. The decision speaks to searches incident to arrest. It does not resolve every scenario, such as a person who consents or a genuine emergency, so those facts matter. If officers searched your phone without a warrant, the questions include what they accessed, whether you consented, whether anyone threatened you or pressured you, and what the officers did with the data. Remedies can include a civil claim under Section 1983 and, in a criminal case, a motion to suppress. Those are different proceedings with different standards, and a suppression ruling does not decide the civil case. Keep any paperwork or property receipts the police gave you.

Authority: Riley v California, 573 US 373 (2014). Reviewed Oct. 2026.

Not without reasonable suspicion. In Rodriguez v United States, the Supreme Court held that a traffic stop becomes unlawful if it is prolonged beyond the time reasonably required to complete its mission, including to conduct a dog sniff. A sniff during an otherwise lawful stop, as in Illinois v Caballes, does not violate the Fourth Amendment.

Illinois v Caballes held that a dog sniff conducted during a concededly lawful traffic stop that reveals no information other than the location of a substance no one has a right to possess does not violate the Fourth Amendment. Rodriguez v United States added the limit. A seizure justified only by a traffic violation becomes unlawful if it is prolonged beyond the time reasonably required to complete the mission of issuing the ticket, so an officer may not extend the stop to wait for a dog without reasonable suspicion of something more. Timing is the main issue. The key facts are when the officer finished, or should have finished, the license check and the citation, and when the dog arrived. Dash camera and body camera video, dispatch logs, and the citation time stamp can show whether the stop was extended. A civil claim for an unlawful prolonged stop is separate from a suppression motion in a criminal case.

Authority: Rodriguez v United States, 575 US 348 (2015); Illinois v Caballes, 543 US 405, 410 (2005). Reviewed Oct. 2026.

Generally no. In Florida v Jardines, the Supreme Court held that using a trained police dog to investigate the home and its immediate surroundings is a Fourth Amendment search. A search of a home normally requires a warrant or another recognized justification.

In Jardines, officers took a drug-sniffing dog onto the front porch of a home to investigate a tip. The Court held that the government's use of trained police dogs to investigate the home and its immediate surroundings is a search within the meaning of the Fourth Amendment. The reasoning rests on the physical intrusion onto the area around the home, which is protected, rather than on the dog itself. This is different from a dog sniff of a car during a lawful traffic stop, which Caballes addressed. If officers used a dog at your door or on your porch and then used the result to obtain a warrant, the application and the dog's training and field records are what matter. Whether an unlawful sniff supports a civil claim, and what damages follow, depends on whether a warrant issued and what the officers did next. A criminal defense lawyer addresses suppression in the criminal case.

Authority: Florida v Jardines, 569 US 1 (2013). Reviewed Oct. 2026.

The Sixth Circuit's en banc test in Thaddeus-X v Blatter has three elements: you engaged in protected conduct, the official took an adverse action that would deter a person of ordinary firmness from continuing that conduct, and the adverse action was motivated at least in part by your protected conduct.

A retaliation claim essentially entails three elements, according to the en banc court in Thaddeus-X v Blatter. First, the plaintiff engaged in protected conduct. Second, an adverse action was taken against the plaintiff that would deter a person of ordinary firmness from continuing to engage in that conduct. Third, there is a causal connection between the first two elements, meaning the adverse action was motivated at least in part by the plaintiff's protected conduct. The court noted that each step is flexible enough to account for the setting, including a prisoner's rights. In practice, motive is proven through timing, statements, comparisons to how others were treated, and the paper trail, so documents and video matter. A claim based on an arrest raises a separate hurdle because of the probable cause rule in Nieves v Bartlett. Qualified immunity can also apply. What matters is what you said or did, what happened next, and who knew about it, in date order.

Authority: Thaddeus-X v Blatter, 175 F3d 378, 394 (CA 6, 1999) (en banc). Reviewed Oct. 2026.

It is harder because of probable cause. Under Nieves v Bartlett, a retaliatory arrest claim generally requires proof that the officer lacked probable cause. The Court created an exception where you present objective evidence that you were arrested when otherwise similarly situated people not engaged in the same sort of protected speech had not been, and Gonzalez v Trevino confirmed that this evidence does not have to be a nearly identical comparator.

In Nieves v Bartlett, the Supreme Court addressed a claim that an officer arrested someone in retaliation for speech. It explained that probable cause usually matters because it bears on whether the arrest was caused by retaliatory animus. But it recognized that many minor offenses give officers probable cause, and that rule would leave people unprotected if, for example, they were vocally complaining about police conduct and were arrested for jaywalking at an intersection where jaywalking is common and rarely results in arrest. For that reason the no-probable-cause requirement does not apply when the plaintiff presents objective evidence that he was arrested when otherwise similarly situated individuals not engaged in the same sort of protected speech had not been. The officer's own statements and motives are irrelevant at that stage. In Gonzalez v Trevino, the Court said the exception is slim but rejected a demand for virtually identical, identifiable comparators, and found that data showing no one in the county had been charged for similar conduct was the kind of objective evidence that can count. The claim then proceeds like others.

Authority: Nieves v Bartlett, 587 US 391 (2019); Gonzalez v Trevino, 602 US 653, 658 (2024) (per curiam). Reviewed Oct. 2026.

You can complain to the police department or sheriff's office, and in a serious case to federal authorities. Filing a complaint is not a prerequisite to a Section 1983 suit under Patsy, except that a person confined in a jail or prison must first exhaust the facility's grievance process for prison-conditions claims (42 USC 1997e(a)). MCL 600.5805(2) has no provision pausing the 3-year period while an internal complaint is pending. The United States Attorney General, not a private person, enforces the federal pattern-or-practice statute.

Many departments take complaints through an internal affairs or professional standards process, and you can ask the department for its written complaint procedure and the complaint form. A complaint should be in writing, dated, and specific, and you should keep a copy. Patsy v Board of Regents holds that exhaustion of state administrative remedies is not required before a Section 1983 action, except that 42 USC 1997e(a) requires a person confined in a jail or prison to exhaust available grievances for prison-conditions claims, and the Sixth Circuit tolls the period during that exhaustion (Surles v Andison). Outside that setting, MCL 600.5805(2) contains no provision stopping the clock for an internal complaint, so do not wait for the result. Federal law makes willful deprivation of rights under color of law a crime under 18 USC 242, and the United States Attorney General can sue over a pattern or practice of unconstitutional policing under 34 USC 12601(b), but the statute authorizes the Attorney General, not private persons, to bring that claim. FOIA is a separate tool for getting records. In Rataj v City of Romulus, internal investigation reports and personnel files were exempt on that record, while video and names were not. If you face criminal charges, speak with a lawyer before giving a written statement.

Authority: Patsy v Bd of Regents, 457 US 496, 516 (1982); 18 USC 242; 34 USC 12601(b); Rataj v Romulus, 306 Mich App 735, 754-756 (2014); 42 USC 1997e(a); Surles v Andison, 678 F3d 452, 458 (CA 6, 2012); MCL 600.5805(2). Reviewed Oct. 2026.

Keep photos of injuries, medical records, clothing, your own video and messages, and the names of witnesses, and write down what happened while it is fresh. Under Michigan law a litigant has a duty to preserve evidence it knows or reasonably should know is relevant, even before a suit is filed, and sanctions can include an adverse-inference instruction.

In Brenner v Kolk, the Michigan Court of Appeals said that even when an action has not been commenced and there is only a potential for litigation, the litigant is under a duty to preserve evidence that it knows or reasonably should know is relevant to the action. The court said a court may impose a sanction such as excluding evidence or instructing the jury that it may infer the missing evidence would have been adverse, and Bloemendaal v Town and Country Sports Center applied the same rule. Dismissal is a drastic step that requires weighing lesser options. In federal court, federal law governs spoliation sanctions, which the FAQ on lost or erased video explains. For you, that means preserving what you have. For the government, a written preservation letter sent early should list body camera and dash camera video, jail camera footage, dispatch and 911 audio, reports, photographs, and policies. Retention periods for video can be short, so speed matters. A letter does not guarantee that evidence is kept, but it documents notice. Do not delete posts, texts, or photos about the event.

Authority: Brenner v Kolk, 226 Mich App 149, 161-162 (1997); Bloemendaal v Town & Country Sports Center, Inc, 255 Mich App 207, 212-214 (2002). Reviewed Oct. 2026.

In federal court, federal law governs spoliation sanctions, and the Sixth Circuit en banc in Adkins v Wolever remanded a prisoner's case where prison video and photographs were lost. For lost electronically stored information, FRCP 37(e) allows curative measures on prejudice, and adverse-inference instructions or dismissal only on a finding of intent to deprive.

Adkins v Wolever involved a prisoner suing a corrections officer after prison officials lost video footage and color photographs of the incident and its aftermath. The en banc Sixth Circuit held that federal law, not state law, governs spoliation sanctions in federal court and sent the case back so the district court could exercise its discretion. FRCP 37(e) addresses lost electronically stored information that should have been preserved in anticipation or conduct of litigation: on a finding of prejudice the court may order measures no greater than necessary to cure it, and only on a finding that the party acted with the intent to deprive another party of the information may it presume the information was unfavorable, instruct the jury accordingly, or dismiss. In Michigan state court, Brenner v Kolk allows exclusion of evidence or an adverse-inference instruction. Proof of notice and timing, such as a dated preservation letter and a record of when the video was overwritten, is what drives these motions, so those facts should be documented.

Authority: Adkins v Wolever, 554 F3d 650, 652-653 (CA 6, 2009) (en banc); FRCP 37(e); Brenner v Kolk, 226 Mich App 149, 161 (1997). Reviewed Oct. 2026.