Cannon Season 2 Episode 21 The Seventh Grave 1972
6.5/10 by 32 users
One step forward, two steps back as Cannon hunts a mass murderer. Helping to cloud the facts: a police lab technician who's altering the evidence as quickly as it is found.
- Released: 1973-02-28
- Runtime: 60 minutes
- Genre: Drama, Action & Adventure
- Stars: William Conrad
- Director: Harold Gast, Adrian Samish, John Carl Parker, Quinn Martin
