Gunfight at the O.K. Corral Cowboys and were not indicted. Wyatt Earp, newly appointed as Deputy U.S. Marshal in Cochise County, then took matters into his own hands in a personal vendetta. He was pursued by county sheriff Johnny Behan, who had received a warrant from Tucson for Wyatt's shooting of Frank Stilwell. Tombstone, near the Mexican border, was founded in March 1879. After silver was discovered in the area, Tombstone grew rapidly into a frontier mining boomtown. At its founding, it had a population of just 100, and only two years later, in late 1881, the population was more than 7,000 (excluding Chinese, Mexicans,
Gunfight at the O.K. Corral Holliday's walking-stick in return. As usual, the Earps carried their revolvers in their coat pockets or in their waistbands. Wyatt Earp was carrying a .44 caliber American 1869 Smith & Wesson revolver. Holliday was carrying a nickel-plated pistol in a holster, but this was concealed by his long coat, as was the shotgun. The Earps and Holliday walked west, down the south side of Fremont Street past the rear entrance to the O.K. Corral, but out of visual range of the Cowboys' last reported location. Near the corner of Fourth St. and Fremont St., the Earps ran into Sheriff Behan.