Family feuds in the United States had occurred on October 26, 1881, and was itself the climax of the Earp–Clanton family feud, simmering since the summer of 1880. Tensions between the Earps and both the Clantons and McLaurys increased through 1881, culminating in the historic gunfight. At the O.K. Corral, three deputized Earp brothers, Wyatt, Morgan and Virgil, along with Doc Holliday, had killed Billy Clanton, Frank McLaury and Tom McLaury. The Clanton and McLaury families were aligned with the "Outlaw Cowboys", a loosely knit outlaw group of families, friends and acquaintances then living in surrounding Cochise and Pima counties. The Earp Vendetta ride was a
Gunfight at the O.K. Corral central figure in the gunfight. It was only discovered much later that "Wyatt Earp: Frontier Marshal", based on eight interviews with Earp, was largely fictional. The book and later Hollywood portrayals embellished Wyatt's reputation and magnified his mystique as a western lawman. Morgan Earp had no known experience with gunfighting prior to their arrival in Tombstone. While Wyatt was Pima County Deputy Sheriff on July 27, 1881, Morgan Earp took over his job as shotgun messenger for Wells Fargo. Morgan also occasionally assisted Virgil and at the time of the gunfight was wearing a deputy city marshal's badge and drawing