The court martial of Army Pfc. Dewayne Arthur Johnson, 29, concluded this morning as a military judge sentenced him to 23 years in prison for killing his pregnant wife, 19-year-old Mischa Mabeline Kaalohilani Johnson, and their unborn child.

He was formally charged with her murder in November, but despite months of investigation law enforcement was unable to find a body.

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As part of a plea deal, he confessed to killing in their home on Schofield Barracks with a machete on July 12, cutting up her body with a chainsaw and taking the remains to a dumpster on base that was bound for an incinerator in Kapolei before reporting reporting her missing on Aug. 1. He also admitted to impersonating her with her phone to deceive her fam

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