Box Elder man admits sexually abusing child on Rocky Boy’s Indian Reservation

GREAT FALLS - A Box Elder man today admitted to sexually abusing a child on the Rocky Boy's Indian Reservation, U.S. Attorney Jesse Laslovich said.

The defendant, Brian Lee Bigbow, 47, pleaded guilty to abusive sexual contact. Bigbow faces a maximum of life in prison, a $250,000 fine and five years to life of supervised release.

Chief U.S. District Judge Brian M. Morris presided. The court will determine any sentence after considering the U.S. Sentencing Guidelines and other statutory factors. Sentencing was set for May 20. Bigbow was detained pending further proceedings.

The government alleged in court documents that in April 2021, the victim, identified as Jane Doe 1, reported to state officials that she was sexually abused by Bigbow. In subsequent interviews, Doe 1 said the sexual abuse occurred when she was in Bigbow's bedroom and that he had sexually abused her multiple times. Doe 1 was under the age of 12 years old at the time.

The U.S. Attorney's Office is prosecuting the case. The FBI and Rocky Boy's Criminal Investigators conducted the investigation.

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