What case reinforced the need for warning suspects of their rights?

The case that reinforced the need for warning suspects of their rights is Miranda v. Arizona. This landmark decision established that individuals taken into police custody must be informed of their rights to an attorney and against self-incrimination before being interrogated. The ruling emphasized that without these warnings, any statements made by the suspect during interrogation could not be used as evidence in court. This case built on the principle that protection against self-incrimination is a fundamental aspect of the Fifth Amendment, ensuring that suspects are aware of their rights and can make informed decisions during police encounters. Miranda v. Arizona is foundational in understanding the procedural safeguards designed to protect individuals in custodial situations.