 In one incident, when attacked by Navajo locals trying to steal horses under his watch, Owens allegedly killed at least two warriors, and earned the nickname "Iron Man".In September 1883, Owens was arrested by U.S. Indian Agent Denis Matthew Riordan, for the murder of a young Navajo boy near Houck's ranch.Owens shot and killed the youth, who, he said, was trying to rustle horses.