 It is commonly believed that he replaced lawman Wyatt Earp, but it was actually Deger.On March 15, 1878, Masterson assisted his brother Bat Masterson, who was the Ford County sheriff at that time, and lawman Charlie Bassett in the capture of two train robbery suspects.Later that same month, Masterson announced publicly that he had a new plan to rid Dodge City of vagrancy and street violence, which included the disarming of gun-carrying men inside the city limits, with immediate implementation.