SIOUX FALLS, S.D. (KELO) — A Valentine, Nebraska man, was sentenced Monday on seven counts of abusive sexual contact. Christopher Franklin Beauvais, 41, was sentenced to 15 years in federal prison, according to a Tuesday press release from the U.S. Attorney’s Office District of South Dakota. Between June 2006 and November 2012, Beauvais repeatedly sexually abused three adolescent girls between the ages of 12 and 15 years old in Mission. The abuse happened in a home, his workplace and in public.