On January 14, 2026, the United States Supreme Court issued an Opinion in Case v State of Montana, 607 U.S. (2026). This case asked the question of “whether law enforcement may enter a home without a search warrant based on less than probable cause that an emergency is occurring, or whether the emergency-aid exception requires probable cause.”
In Case v Montana, Montana law enforcement responded to William Case’s home after receiving a report from Case’s ex-girlfriend that Case had threatened to commit suicide. Case’s ex-girlfriend reported that she heard a “pop” while on the phone and was concerned Case shot himself and that Case threatened to harm any police who engaged with him. Police had prior knowledge of Case’s mental health struggles and a history of suicidal behavior. When police arrived at Case’s home, they saw a note and an empty gun holster through the window.
Forty minutes after their arrival, police decided to enter Case’s home to provide aid. The police officers opened the unlocked door and loudly announced their presence as they entered Case’s home. One police officer found Case inside a closet curtain and saw what they thought was a “dark object” near Case’s waist. The officer shot Case, and the police later found a handgun lying next to Case.
Case was subsequently charged with Assault on a Peace Officer on the basis that Case “knowingly or purposely caused reasonable apprehension of serious bodily injury” when Case pointed what appeared to be a pistol at a police officer. Case filed a motion to suppress all evidence obtained during the search on the grounds that the search violated Fourth Amendment. His Motion to Suppress was denied. The jury found him guilty. Case appealed this Motion to Suppress ruling all the way up to the United States Supreme Court.
In his appeal, Case urged the Court to rule that the higher standard of probable cause applied to the warrantless entry to render emergency aid. In rejecting this argument, the Court affirmed that the objective reasonableness standard applies to warrantless home entries to render emergency aid. The Court ruled that lower courts should assess the reasonableness of an emergency-aid entry “on its own terms, rather than through the lens generally used to consider investigative activity.”
Here, the Court noted that the information the officers obtained from Case’s ex-girlfriend, combined with their observations at the scene, suggested that Case may already have shot himself or would do so absent intervention. Thus, the Court found that the officers had an “objectively reasonable basis for believing” that their entry was needed to prevent Case from ending his life. A victory for law enforcement.
Key Takeaways for Law Enforcement
Probable cause is not required for Emergency Aid: Law enforcement may enter a home without a warrant to provide emergency assistance if they have an objectively reasonable belief someone is in danger.
Emergency Entries Are Not Investigative Searches: The Court emphasized that these actions are evaluated on their own terms—not under the standards for criminal investigations.
Supports Swift Action in Life-Threatening Situations: This ruling affirms the legal backing for officers who act quickly to prevent harm, particularly in cases involving mental health crises.
Policy and Training Matter: Municipalities should ensure officers are trained to recognize when the emergency-aid exception applies and to document the facts that support their entry decisions.
