United States v. Robert Mosley

OPINION OF THE COURT

FISHER, Circuit Judge.

We are presented here with a casebook-ready fact pattern implicating an area of Fourth Amendment law that has long been a source of confusion. Today we explain, as clearly as we can, how the exclusionary rule applies in cases in which evidence obtained during an illegal traffic stop is introduced against a passenger with no possessory interest in the vehicle.

We hold that when a vehicle is illegally stopped by the police, no evidence found during the stop may be used by the government against any occupant of the vehicle unless the government can show…