Confessions compelled by police through duress are inadmissible at trial. Decided February 12, 1940 (argued January 4, 1940). Opinion of the Court: Hugo Black → go there Topic: Other areas. Chambers v. Florida, 309 U.S. 227 (1940), was a landmark United States Supreme Court case that addressed the constitutional limits on police interrogation tactics. The court held that confessions obtained through prolonged questioning; where suspects were held without any formal charges and denied contact with counsel, friends or family, was a violation of the Due Process Clause of the Fourteenth Amendment. Wiki link