BILLINGS, Mont. (AP) — A Montana woman who pleaded guilty to her role in the beating death and dismemberment of her boyfriend has been sentenced to 40 years in prison.

The Billings Gazette reports that 41-year-old Carri Elizabeth Standsoverbull was sentenced Wednesday. She earlier pleaded guilty to negligent homicide, aggravated assault by accountability and evidence tampering in the 2015 death of Jeffrey Hewitt.

Standsoverbull is accused of helping to beat Hewitt and leaving him in her apartment with severe injuries while denying efforts to get him medical help. His dismembered body was found on the side of a road after having been set on fire.

Patrick Saint Standsoverbull III, the defendant's brother, recently pleaded guilty to two felony counts of evidence tampering and misdemeanor assault.

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Information from: The Billings Gazette, http://www.billingsgazette.com