Robert K. DeArment was a University of Toledo, Ohio graduate whose field of interest is nineteenth-century American history with special emphasis on outlaws and law enforcement in the frontier West. He was the author of “Bat Masterson: The Man and the Legend“ and the three-volume “Deadly Dozen: Forgotten Gunfighters of the Old West“, published by the University of Oklahoma Press. Mr. DeArment passed away at the age of 95 on January 16, 2021.