Found dope on Ybarra. Hey, it was the 80's. OK Camara v. Group suspicion is Ok in regulatory searches and not in terry stops. Car full of Mexicans, brother of owner of car is in passenger seat and consents to a search of the vehicle.
Search leads to evidence.
While knowledge of a right to refuse consent is a factor to be taken into account, P need not prove that the one giving permission to search knew that he had a right to withhold his consent. Overturned Wolf in that the exclusionary rule remedy is a penumbral part of the 4 th am. No exclusionary rule in 1. Grand jury 2. Immigration proceedings 4.