Hays man admits manslaughter charge in stabbing on Fort Belknap Indian Reservation

Source: Office of United States Attorneys

GREAT FALLS — A Hays man today admitted to fatally stabbing a woman during a quarrel on the Fort Belknap Indian Reservation, U.S. Attorney Jesse Laslovich said.

The defendant, Tonylee Andrew Sears, 24, pleaded guilty to voluntary manslaughter as charged in an indictment. Sears faces a maximum of 15 years in prison, a $250,000 fine and three years 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 June 18. Sears was detained pending further proceedings.

The government alleged in court documents that in the early morning hours of Jan. 13, 2024, Fort Belknap Law Enforcement Services responded to reports of a stabbing at Sears’ home. Officers encountered Sears, a witness, identified as John Doe, and the victim, identified as Jane Doe. Jane Doe was on the living room floor, bleeding, and was pronounced dead at the scene. In an interview with law enforcement, John Doe said he and Jane Doe had gone to Sears’ house to drink alcohol and hang out and that the victim and Sears argued. The argument escalated, and Sears grabbed a knife and stabbed Jane Doe while she was on the ground. John Doe pulled Sears off the victim and called 911. Sears threw the knife in the kitchen sink. When interviewed, Sears admitted that he and the victim rolled around on the floor after an argument, and he stabbed her. Officers recovered a knife from the kitchen sink. An autopsy report concluded that Jane Doe died from a stab wound.

The U.S. Attorney’s Office is prosecuting the case. The FBI and Fort Belknap Law Enforcement Services conducted the investigation.

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