Wyatt Earp was a Deputy U.S. Marshal.
Wyatt Earp . He is often regarded as the central figure in the shootout in Tombstone , although his brother Virgil was Tombstone city marshal and Deputy U.S. Marshal that day , and had far more experience as a sheriff , constable , marshal , and soldier in combat . He was at different times a constable , city policeman , county sheriff , Deputy U.S. Marshal , teamster , buffalo hunter , bouncer , saloon-keeper , gambler , brothel keeper , miner , and boxing referee .