Bullets or Ballots (1936)
After Police Captain Dan McLaren becomes police commissioner, former detective Johnny Blake publicly punches him, convincing rackets boss Al Kruger that Blake is sincere in his effort to join the mob. "Bugs" Fenner, meanwhile, is certain that Blake is a police agent. corruption, police, undercover, film in film, murder, shootout, infiltration, police detective, racketeer, racketeering, numbers game, banking executives, anti-crime crusade
ETC.
