Gunfight at the O.K. Corral been appointed Tombstone's town marshal (i.e., chief of police) on June 6, 1881, after Ben Sippy abandoned the job. However, Virgil at the same time continued to hold his position of deputy U.S. marshal, and it was in this federal capacity that he continued to chase robbers of stage coaches outside Tombstone city limits. At the scene of the holdup, Wyatt discovered an unusual boot print left by someone wearing a custom-repaired boot heel. The Earps checked a shoe repair shop in Bisbee known to provide widened boot heels and were able to link the boot print to Stilwell. Frank
Gunfight at the O.K. Corral came to each other's aid. Virgil Earp thought that some of the Cowboys had met at Charleston, Arizona, and taken "an oath over blood drawn from the arm of Johnny Ringo, the leader, that they would kill us." Among the lawmen involved in the O.K. Corral shooting, only Virgil had any real experience in combat, and he had far more experience than any of his brothers as a sheriff, constable, and marshal. The Earps' work as lawmen was not welcomed by the Cowboys, who viewed the Earps as badge-toting tyrants who ruthlessly enforced the business interests of the town. In