S07E12 - The Double-Edged Corner
Synopsis
A violent gang kills two men during a robbery, and the Chief enlists the help of a regular informant in order to capture those responsible. The informant, Baxter, is a happy-go-lucky gambler with a wife and child, who has been keeping his duel identity a secret for years. This time, however, it looks as though his secret is going to become known to everybody.