Barnaby Jones Season 6 Episode 5
When Peggy Giroux meets her brother Neal at a restaurant he mysteriously vanishes after being injured by a hit-and-run driver. Peggy hires Barnaby to locate Neal and he and J.R. find out that Neal is a professional killer who hides a gun proving his boss murdered a man years ago.
Serie: Barnaby Jones
Episode Title: The Damocles Gun
Air Date: 1977-10-20