Mickey Spillane's Mike Hammer (1958)

Shoot Before You Look (2x18)

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Mike investigates a $50,000 jewelry heist and double-murder for the insurance company. He gets a tip that the thief and murderer is hiding in a nearby hotel and kills the crook in a gunfight. When Mike learns that the dead man was a known jewel thief who never carried a gun, he suspects that he was tricked into shooting a man by his double-crossing partner and sets out to bring the other gunsel to justice.