Marshal Edward Masterson was shot and killed after disarming a drunk man who was in violation of the town's ordinance against carrying guns. After taking the gun Marshal Masterson starting walking away but the man produced another pistol and shot him. Although mortally wounded, Marshal Masterson was able to return fire and fatally wound the suspect.
Marshal Masterson had served with the agency for a little over one year and was survived by his parents and brothers. He is buried in an unmarked grave at Maple Grove Cemetery, Dodge City, Kansas.