U.S. Supreme Court Allows Evidence After Unlawful Stop in Limited Circumstances
June 29, 2016
In Utah v. Strieff, the United States Supreme Court addressed an important question about what happens when police discover evidence after an unlawful detention. The decision highlights how certain exceptions to the Fourth Amendment may allow evidence to be used even when an initial stop was improper.
The Facts of the Case
While investigating a residence suspected of narcotics activity, a police officer observed a man later identified as Strieff leaving the home and walking toward a nearby convenience store. The officer stopped Strieff, even though he did not have reasonable suspicion that Strieff was involved in criminal activity.
During the encounter, the officer requested identification and learned that Strieff had an outstanding arrest warrant for a traffic violation. The officer arrested him based on that warrant. During a search incident to arrest, the officer discovered methamphetamine. Strieff was later convicted of drug possession.
The Constitutional Issue
The case raised a Fourth Amendment question. The Fourth Amendment protects individuals from unreasonable searches and seizures, and both parties agreed that the initial stop of Strieff was unlawful.
The issue before the Court was whether the drugs discovered after the unlawful stop should be excluded from evidence, or whether an exception applied that allowed the evidence to be used.
The Court’s Decision
In a split decision, the Supreme Court ruled that the evidence could be admitted under what is known as the “attenuation doctrine.” This doctrine allows evidence to be used when the connection between unlawful police conduct and the discovery of evidence is sufficiently weakened by an intervening event.
The Court determined that the discovery of a valid, pre-existing arrest warrant was an intervening circumstance. Once the warrant was identified, the officer had a lawful basis to arrest Strieff and conduct a search. The majority also noted that the officer’s conduct, while improper, was not considered purposeful or flagrant misconduct.
Because of these factors, the Court concluded that suppressing the evidence was not required.
The Dissenting Opinion
The decision included strong dissenting opinions. Justice Sotomayor expressed concern that allowing evidence obtained after an unlawful stop could weaken Fourth Amendment protections and potentially encourage improper police conduct. The dissent emphasized the broader implications of the ruling for civil liberties.
What This Means
The Court’s decision does not authorize unlawful stops. Police officers are still required to follow constitutional standards. However, the ruling makes clear that in some situations, evidence discovered after an improper stop may still be admissible if an intervening circumstance — such as an outstanding warrant — breaks the connection between the unlawful conduct and the discovery of evidence.
Cases involving searches and seizures are highly fact-specific, and small details can make a significant difference. If you are facing criminal charges involving a search or police encounter, it is important to have a skilled Seattle defense attorney evaluate whether your rights were violated and whether any evidence may be challenged.
Contact us at The Law Office of Dan Fiorito III today to request your free case evaluation and discover how we can protect your rights.