- Wyatt Earp: [Opening Narration] As Wyatt Earp's fame as a peace officer in Dodge City spread across the Western country, men remembered that he was also a Deputy U.S. Marshal. Thus, when his old friend, Colonel Benteen of the 7th Cavalry at Fort Lewis, Colorado, found himself facing the problem of a mysterious killer who shot only from ambush, Colonel Benteen could think of but one solution.