Murray v. United States

Background

Federal agents were watching two men, later identified as Michael Murray and James Carter, after informants gave leads. The agents stopped vehicles leaving a South Boston warehouse and found marijuana in the vehicles. Agents then forced an entry into the warehouse, saw burlap-wrapped bales of marijuana in plain view, left without touching them, and continued surveillance. About eight hours later they obtained a search warrant, reentered, and seized 270 bales and notebooks. The men moved to suppress that warehouse evidence, but lower courts denied relief and the case reached the Supreme Court.

Reasoning

The Court addressed whether evidence seen during an earlier illegal entry must be excluded if it was later seized under a warrant obtained independently. The majority said the independent source doctrine can apply: evidence first observed during an illegal entry may still be admitted if the later warrant search was a genuinely independent source. That means the agents’ decision to seek the warrant must not have been prompted by the illegal entry, and information from the illegal entry must not have been presented to the magistrate. The Court said district courts must make factual findings on that independence and remanded the cases for that determination.

Real world impact

If a court finds the later warrant truly independent, police may be allowed to use items they had seen during a prior unlawful entry. Trials will turn on factual findings about investigators’ motives and what was told to the magistrate. The ruling is not an automatic final approval of the evidence; it requires case-by-case review and can still lead to suppression if independence is not established.

Dissents or concurrances

Justice Marshall (joined by Justices Stevens and O’Connor) dissented, warning this approach weakens the warrant requirement and lessens deterrence against illegal searches, urging suppression where the same team reobtained the evidence without verifiable independence.