The Killer Is Loose (1956)

Director: Budd Boetticher
Cast: Alan Hale Jr., Dee J. Thompson, John Beradino, John Larch, Joseph Cotten, Michael Pate, Rhonda Fleming, Wendell Corey

Synopsis:

A savings-and-loan bank is robbed; later, a police wiretap identifies teller Leon Poole as inside man. In capturing him, detective Sam Wagner accidentally kills Poole’s young wife, and at his trial Poole swears vengeance against Wagner. Poole begins his plans to get revenge when he escapes his captors.