Mannix Season 4 Episode 13 - Duet for Three

Airdate: 1970-Dec-19

Episode summary:

Ellen Grey hires Mannix to investigate what her recently suicided husband was involved with that drove him to his death. Mannix discovers that the people involved want Ellen dead as well.

About Mannix series:

Originally, Joe Mannix worked for a large Los Angeles detective agency called Intertect, featuring the use of computers to help solve crimes. A reg...Show more >