White Heat (1949)

James Cagney stars in a ruthless manhunt for a psychopathic criminal 

Cody Jarrett, a brutal and mentally unstable disturbed gang leader devoted to his mother, masterminds a mail train heist in the Sierra Nevada mountains that results in the death of several innocent workers. When he shoots an investigator, a nationwide manhunt is launched. To throw off the authorities, Cody turns himself in for a lesser crime. But after a daring prison escape, he’s determined to pull off another heist, at any cost.