Dead Man's Gun

The Pinkerton (2x10)

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When a wife and mother is murdered, and the local law can not find the killer, her widower calls in expert help in the form of John Eastman (Michael Dorn), a talented Pinkerton investigator. Eastman has troubles during his investigation, primarily because of racism in a small white town, but he will not be turned away. Using the Dead Man's Gun, he solves the evil crime, and justice is doled out to the surprising culprit.