The Untouchables - Season 3 - Eps 25: The Contract
New York City; February 4, 1934. 3 months of intensive investigation is paying off for Ness and his Untouchables; they have ""Smiley"" Barris cornered in an upper floor of an Eastside tenement. With the aid of local police, and some tear gas, Smiley is apprehended. But somebody wants Smiley dead; a sniper with a high-powered rifle, on the roof of a building, shoots at Smiley-- he accidentally kills the cop beside Smiley.
About The Untouchables

Title: The Untouchables
First Air Date: 1959-10-15
Last Air Date: 1963-05-21
Status: Ended
Rating: 7.861/10 (from 119 votes)
Language: EN
Seasons: 5
Total Episodes: 118
Network: ABC
Genres: Drama, Crime
Production Companies: Desilu Productions, Langford Productions
Synopsis
Special Agent Eliot Ness and his elite team of incorruptible agents battle organized crime in 1930s Chicago.
Cast

Robert Stack
Eliot Ness

Nicholas Georgiade
Enrico Rossi

Steve London
Jack Rossman

Paul Picerni
Lee Hobson

Abel Fernandez
William Youngfellow

Walter Winchell
Narrator