A Colville tribal member was sentenced to 20 years in prison Wednesday for an assault that left one dead and another permanently disabled.

Kevin Isaac Pakootas, 25, of Inchelium, Wash., pleaded guilty in November 2010 to second-degree murder and assault with a dangerous weapon. In addition to prison, he'll be on five years supervised probation upon release, and pay $152,678 restitution, according to Assistant U.S. Attorney Thomas Rice.

Authorities say Pakootas was drinking at a tavern before attending a house party on Moccasin Run near his home on Sept. 5, 2009. When he returned home about 4:30 a.m., he apparently found his wife, Colette Pakootas, 23, having “intimate relations” with Mark Edgette, 39, and beat the two until they were unconscious, Rice said in a news release.

The two were airlifted to Providence Sacred Heart Medical Center, where they were listed in critical condition.

Colette Pakootas died Sept. 11, 2009 from blunt-force trauma to her head. Edgette suffered traumatic brain injury and other injuries that left him permanently disabled.

Past coverage:

Sept. 24, 2009: Suspect pleads not guilty in wife's slaying

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