Carmen Miranda was a celebrated and successful actress from the 1940’s. She died 5 August 1955. And no she wasn’t auditioning to be co-counsel for LTC Lakin.
Ernesto Arturo Miranda died on 31 January 1976, in prison. Although his notable case resulted in a new trial he was reconvicted. He died in a knife fight.
The case of Miranda v. Arizona has not died yet, or has it, or will it soon. The American Constitution Society has a piece, Examining Miranda’s Future.