The Bureau of Indian Affairs, U.S. Marshal Service, FBI, state and local law enforcement agencies announced Tuesday they’ve completed the first ever sex offender compliance check on both the Crow and Northern Cheyenne Indian reservations. The Marshals Service office in Billings reports that, during the week of July 16th, federal, state, and local jurisdictions assisted Bureau of Indian Affairs Law Enforcement on the reservations in completing the operation. The compliance checks on the Crow Reservation resulted in 45 total offenders contacted with 21 offenders being non-compliant. Additionally, two people were arrested on tribal warrants and one person was arrested on charges brought by the state. The operation on the Northern Cheyenne Reservation resulted in 48 offenders checked with 24 non-compliant. One person was arrested on tribal warrants and one was arrested on state charges. Learn more at KTVQ.com.