Arizona v. Gant, 556 U.S. 332 (Apr. 21, 2009)

Holding that officers may search a vehicle incident to arrest only if (1) the arrestee is unsecured and within reaching distance of the passenger compartment when the search is conducted; or (2) it is reasonable to believe that evidence relevant to the crime of arrest might be found in the vehicle. For more complete analysis of this ruling, see the online paper here.