This document summarizes four Supreme Court cases related to search and seizure and rights of the accused: 1) New Jersey v. T.L.O involved the search of a student by the principal which uncovered marijuana. The court found this violated the 4th Amendment. 2) Mapp v. Ohio involved evidence obtained during an unlawful search of a home without a warrant. The Supreme Court applied the exclusionary rule to the states, barring unlawfully obtained evidence. 3) Miranda v. Arizona involved a confession obtained without informing the suspect of his rights. The Supreme Court established warnings must be given to protect 5th and 6th Amendment rights. 4) The document reviews the key facts and