In Brooks v. Florida, the U.S. Supreme Court ruled in 1967 that a defendant's confession was not admissible as evidence if it was obtained through coercion or intimidation by law enforcement officers. The case involved James Edward Brooks, who had been convicted of robbery based on a confession he made while in police custody without being informed of his right to remain silent or have an attorney present during questioning. The court found that this violated his Fifth Amendment rights against self-incrimination and Fourteenth Amendment rights to due process under the Constitution. This decision reinforced the principle established by Miranda v. Arizona (1966) requiring police to inform suspects of their constitutional rights before interrogation.

In the dissenting opinion for Brooks v. Florida, it was argued that the defendant's confession should not have been admitted into evidence because it was obtained through psychological coercion and thus violated his Fifth Amendment rights against self-incrimination. The dissenting justices believed that the police had manipulated Brooks' emotional state by falsely telling him that his co-defendant had already confessed and implicated him in the crime. They also pointed out that he was held incommunicado for several hours before making his statement, which further contributed to an atmosphere of intimidation and pressure. Furthermore, they disagreed with the majority's assertion that a suspect must explicitly request counsel in order to invoke their Sixth Amendment right to legal representation during interrogations; instead, they contended this right is automatically triggered once judicial proceedings begin.