“ But the Constitution has never been construed by this Court to allow the police, in the absence of an emergency, to arrest a person outside his home and then take him inside for the purpose of conducting a warrantless search. ”

“ The Court has consistently held that a search 'can be incident to an arrest only if it is substantially contemporaneous with the arrest and is confined to the immediate vicinity of the arrest.' Stoner v. ”

“ The car was parked outside the house and 15 or 20 feet away from it, and the officers did not request permission to conduct the second search of the house. No warrant was ever obtained. The trial court nevertheless upheld the second search on the ground that it was incident to the petitioner's arrest, and the Court of Appeal agreed, holding that the area searched was 'under the (petitioner's) effective control' at the time of the arrest. ”