Guns Don't Argue is a 1957 low-budget feature film about the early achievements of the FBI in defeating the most notorious criminals of the 1930s. The film involves dramatizations of the crimes and the eventual demise of various gangsters, told with a moralistic narrative.

Plot

The film takes the form of a docudrama in which actors who are cast as FBI special agents speak to camera about the war on gangsters in the 1920s and 1930s. Using contacts with gun molls, agents hunt criminals. The film dramatizes the crime careers and final capture or deaths of John Dillinger, the Barker Gang (Ma Barker, Fred Barker, Arthur Barker, Alvin Karpis), Bonnie and Clyde, Homer Van Meter, Doc Barker and Pretty-Boy Floyd.