Mannix Season 6 Episode 11 - A Puzzle for One

Airdate: 1972-Nov-26

Episode summary:

When a PI friend is murdered, Mannix investigates the four cases he referred to the man, figuring one of them led to the killing.

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 >