Deputy Marshal Lafe Shadley, Deputy Marshal Thomas Hueston and Deputy Marshal Richard Speed were shot and killed during a gunfight with a group of seven outlaws in Ingalls, Oklahoma Territory (modern day Oklahoma). The marshals had gone to the town in search of the outlaws, who were wanted for the murder of Marshal Charles Connelly, of the Coffeyville, Kansas, Police Department, and encountered one of them on horseback. The suspect and a marshal immediately exchanged gunfire and the suspect w...