Chief Justice Warren’s Opinion, 1966

More specifically, we deal with the admissibility of statements obtained from an individual who is subjected to custodial police interrogation and the necessity for procedures which assure that the individual is accorded his privilege under the Fifth Amendment to the Constitution not to be compelled to incriminate himself.

Chief Justice Warren’s Opinion 1966

Chief Justice Warren’s opinion cited the coercive tactics used by police as one of the bases for his argument that a confession is not admissible as evidence unless the suspect has been informed of his or her rights and has a lawyer present during an interrogation.

National Archives, Records of the Supreme Court of the United States