How long did Miranda spend in prison before his case was heard by the Supreme Court?

Ernesto Miranda spent 11 years in prison before his case, Miranda v. Arizona, was heard by the Supreme Court. His arrest and subsequent conviction were pivotal in establishing the necessity of informing suspects of their rights, leading to the creation of the "Miranda Rights." These rights include the right to remain silent and the right to an attorney, ensuring that individuals are aware of their legal protections during police interrogations. The case ultimately transformed law enforcement practices across the United States, emphasizing the importance of constitutional rights during the arrest and interrogation processes.