The Untouchables - Season 2 Episode 20 Omerta

Untouchable Paul Robbins takes on the Old West when he travels to a frontier town to bring back a captured Capone thug. Enraged by a string of losses to other gangs, Capone jumps on the opportunity to exact revenge on a rival. He puts Frankie Rio in charge of the counterattack, but Rio is unable to locate any of his regular thugs. Instead, he calls on two friends, July Manetti and Mel ""the Mute"" Lugar. They successfully gun down gangster Vic Mancini, but a witness sees the shooting, and Untouchables Robbins and Pagano are sent to arrest the thugs. Unfortunately, during the attempt, Pagano is shot and seriously wounded. Certain the Untouchables won't rest until they catch the shooters, Rio helps his friends escape on a train to San Francisco.