A 37-year-old Ridgeview man convicted of assaulting a Cheyenne River Sioux Tribe (CRST) Police officer during an incident in Cherry Creek last year was sentenced in U.S. District Court last Monday, July 29, to serve 15 years in federal prison.Arthur Butcher was convicted of assault with a dangerous weapon and assaulting, resisting and impeding a federal officer.He was indicted by ...