The Man Who Cheated Himself (1951)

Directed by Felix E. Feist. The story revolves around Ed Cullen, a veteran San Francisco police lieutenant entangled in a dangerous affair with the wealthy Lois Frazer. When Lois accidentally kills her estranged husband in a fit of rage, Ed is unwittingly drawn into the cover-up to protect her. However, his younger brother Andy, a rookie detective, gets involved in the case, leading to a web of deception and escalating tension.