A 21-year-old Browning man allegedly involved in the death of Jadie Butterfly, according to a Facebook post by her father Chris, pleaded not guilty in federal court Tuesday to involuntary manslaughter and possession of an unregistered firearm.

Treyson Lee Sharp faces a maximum sentence of eight years in prison, a $250,000 fine and three years of supervised release for his involuntary manslaughter charge.

For his possession of an unlawful firearm, he faces 10 years in prison, a $10,000 fine and three years of supervised release.

U.S. Magistrate Judge John T. Johnston presided, but Sharp was released pending further court proceedings.

The U.S. Attorney's Office alleged in court documents, for count one, around Dec. 28, 2024, near Browning, Sharp killed a female victim, allegedly Butte

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