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LAPWAI, Idaho -- A Winchester man has denied Nez Perce Tribal Court charges alleging he shot his mother and tried to burn her body.

The Lewiston Tribune reports 47-year-old Kenneth D. Broncheau, pleaded not guilty Tuesday to murder, domestic violence and aggravated arson in tribal court in Lapwai.

Tribal prosecutors allege Broncheau shot 66-year-old Carol Haskell on June 21 and set her body on fire.

William Howard told investigators he heard a shot, followed by a scream and then another shot. Court records say Howard went to Haskell's house and grabbed a rifle from Broncheau, who said, I just shot my mom.

Another witness said he used a water hose to try to extinguish a fire that was burning Haskell's body.

The FBI is investigating and Broncheau could also face federal charges.

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