Wiseguy - Season 3 - Eps 16: A One Horse Town
Frank's reporter friend tells him about a corrupt town in Washington, spurring Frank to assign Vinnie to the case. Vinnie sets his cover as a truck driver whose rig just got repossessed. The local sheriff investigates Vinnie and finds out he used to be a cop, so he offers him a job as deputy. Vinnie prevents Bobby from killing Volchek, then fakes Bobby's death to win Volchek's trust. (source: http://www.plasticcow.com/wiseguy)
About Wiseguy

Title: Wiseguy
First Air Date: 1987-09-16
Last Air Date: 1990-12-22
Status: Ended
Rating: 6.5/10 (from 31 votes)
Language: EN
Seasons: 5
Total Episodes: 75
Network: CBS
Genres: Crime, Drama, Action & Adventure
Production Companies: Stephen J. Cannell Productions
Synopsis
Vinnie Terranova does time in a New Jersey penitentiary to set up his undercover role as an agent for the OCB (Organized Crime Bureau) of the United States. His roots in a traditional Italian city neighborhood form the underlying dramatic base throughout the series, bringing him into conflict with his conservative mother and other family members while acting undercover as syndicate enforcer.
Cast

Steven Bauer
Michael Santana

Jonathan Banks
Frank McPike

Jim Byrnes
Daniel Benjamin 'Lifeguard' Burroughs

Cecil Hoffman
Hillary Stein

Maximilian Schell
Amado Guzman