Mannix Season 3 Episode 19 - Who is Sylvia?

Airdate: 1970-Feb-07

Episode summary:

An executive's wife hires Mannix to find out who is trying to kill her. The only clue: a locket with the word "Sylvia" written on it.

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 >