BIG TIMBER, MT – James Edward Dempster, 43, is headed to federal prison for nearly four years after admitting to illegally packing heat despite a prior felony conviction. The Sweet Grass County resident received a 46-month sentence Wednesday, followed by three years of supervised release, after pleading guilty in May 2022 to being a prohibited person in possession of a firearm.
The bust went down in November 2021 when a Sweet Grass County Sheriff’s deputy pulled over Dempster’s truck for a simple equipment violation – missing taillights. But the deputy quickly discovered more than a traffic issue. A hunting rifle was visible near the floorboard, prompting a check that revealed Dempster was already on federal probation thanks to a 2014 felony drug conviction in U.S. District Court.
A search of the truck turned up a small armory: three loaded firearms – two rifles and a semi-automatic pistol. It wasn’t even his property to begin with. Investigators later learned Dempster had pilfered the pistol and one of the rifles from his own father without permission, adding a layer of brazen disregard for the law.
U.S. District Judge Susan P. Watters handed down the sentence, signaling a firm stance against repeat offenders flouting gun laws. Assistant U.S. Attorney Benjamin D. Hargrove led the prosecution, with crucial investigative work provided by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), the Sweet Grass County Sheriff’s Office, and the U.S. Probation Office.
Federal officials are framing the case as part of “Project Safe Neighborhoods” (PSN), a broad initiative aimed at reducing violent crime and gun violence by bringing together local, state, and federal law enforcement. The program, recently bolstered by the Department of Justice, emphasizes community trust, preventative measures, and focused enforcement.
Dempster’s case serves as a stark reminder that possessing firearms after a felony conviction carries serious consequences. The 46-month sentence should send a message to others in Montana considering similar actions: the feds are watching, and they’re prepared to prosecute. The Denver Field Division of the ATF played a key role in the investigation.
Related Federal Cases
- Erik Perlberg, Illegal Firearms Possession, Billings MT, 2023 · Montana
- Brandon Kurns, Illegal Firearms Possession, Helena MT, 2023 · Montana
- Jose Estrello, Illegal Firearms, Kalispell MT, 2023 · California
- Nicholas Capella, Illegal Firearms Possession, Laurel MT, 2023 · Montana
- Cody Big Hair, Illegal Firearm Possession, Billings MT, 2023 · Montana
Key Facts
- Agency: ATF
- Category: Weapons
- Source: Official Press Release
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