Answers. Best Answer: By 1976 Mineo's career was turning around.[7] Playing the role of a gay burglar in a San Francisco run of the stage comedy P.S. Your Cat Is Dead, he received substantial publicity from many positive reviews and moved on to Los Angeles with the play. Arriving home after a rehearsal on February 12, 1976, Mineo was stabbed to death in the alley behind a West Hollywood apartment building. He was 37 years old.