CHEYENNE, Wyo. (AP) — A federal judge has sentenced two Wyoming brothers to federal prison in connection with the death of an Idaho man.

U.S. District Judge Scott Skavdahl of Casper last week sentenced brothers 61-year-old Alan Brown and 54-year-old Vernon Brown, both members of the Northern Arapaho Tribe, to serve 84 months each in federal prison.

The two pleaded guilty in October to involuntary manslaughter and aiding and abetting in connection with the 2006 death of 47-year-old Tad Paul Barnson, originally from Idaho Falls, Idaho.

Prosecutors with the U.S. Attorney's Office in Cheyenne charged that Vernon Brown killed Barnson by beating and wounding him and that Alan Brown aided his brother.

Barnson had been living near Riverton before his death. His remains were found in March on the Wind River Indian Reservation.

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