Gunfight at the O.K. Corral been pistol-whipped by Wyatt, Ike's 19-year-old younger brother Billy Clanton and Tom's older brother Frank McLaury arrived in town. They had heard from their neighbor, Ed "Old Man" Frink, that Ike had been stirring up trouble in town overnight, and they had ridden into town on horseback to back up their brothers. They arrived from Antelope Springs, east of Tombstone, where they had been rounding up stock and had breakfasted with Ike and Tom the day before. Both Frank and Billy were armed with a revolver and a rifle, as was the custom for riders in the country outside Tombstone.
Gunfight at the O.K. Corral they would be departing if they were leaving town. While Ike Clanton later said he was planning to leave town, Frank McLaury reported that he had decided to remain behind to take care of some business. Will McLaury, Tom and Frank's brother and a judge in Fort Worth, Texas, claimed in a letter he wrote during the preliminary hearing after the shootout that Tom and Frank were still armed because they were planning to conduct business before leaving town to visit him in Texas. He wrote that Billy Clanton, who had arrived on horseback with Frank, intended to go with