For many years, the Supreme Court has permitted police to search the passenger compartment of a vehicle any time an occupant of the car is arrested. These so-called “searches incident to arrest” were authorized in New York v. Belton (1981) based in large part on concerns about officer safety, namely that the suspect might dive for a weapon hidden in the car. As a result, police have grown accustomed to searching vehicles for “safety reasons” even after the suspect has been taken into custody. This doesn’t protect officers, but it certainly encourages police to make more arrests so they can do more searches.
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