(Fremont County, WY) – Milton Robert Petersen, 55, of Pavillion, was sentenced to 70 months’ imprisonment with three years of supervised release for being a felon in possession of firearms.
According to court documents, on March 13, 2025, officers executing a search warrant at Petersen’s residence found him, along with two rifles, in a camper trailer on the property. Petersen, a multiple-time convicted felon, is prohibited from lawfully possessing firearms and admitted to the presence of numerous firearms on the premises. In total, law enforcement seized approximately 57 firearms during the search.
The case was investigated by agents of the Wyoming Division of Criminal Investigation and the FBI Rocky Mountain Safe Trails Task Force.
Assistant U.S. Attorney Timothy W. Gist prosecuted the case. Petersen was indicted on July 16, 2025, and pleaded guilty on Oct. 30, 2025. U.S. District Court Judge Alan B. Johnson imposed the sentence on Jan. 21 in Cheyenne.