Which case established that jointly occupied residences cannot have someone be searched without their consent if another occupant disagrees?

The case that established the principle that in jointly occupied residences, an individual cannot be searched without their consent if another occupant disagrees is Georgia v. Randolph. In this decision, the Supreme Court ruled that the consent of one occupant is not sufficient to allow police to search shared living quarters when another occupant is present and has explicitly denied consent.

The context of this ruling emphasizes the importance of privacy rights and the Fourth Amendment protections against unreasonable searches and seizures. The Court recognized that a person has a legitimate expectation of privacy in their home, and this expectation encompasses the right to refuse consent, especially when the refusal comes from another individual who has equal authority over the premises. This case thus set clear boundaries for law enforcement, ensuring that consent must be unanimous in settings where multiple individuals share occupancy.

In contrast, the other cases mentioned address different legal principles. Wong Sun v. US dealt primarily with the concept of "fruit of the poisonous tree" regarding the admissibility of evidence obtained through illegal searches. Steagald v. US focused on the need for a search warrant to arrest an individual in a third-party residence. Katz v. US helped define the parameters of expectation of privacy in relation to electronic surveillance, but did not specifically address consent among occupants of a