A federal judge sentenced Spokane, Wash., Police Officer Karl F. Thompson Jr. to 51 months in prison followed by three years supervised release for civil rights and obstruction violations stemming from his March 18, 2006, beating of an unarmed citizen and an extensive cover-up that followed, the Justice Department announced today. Following a Taser deployment and a rapid series of baton blows to the head, neck and body, the victim, the late Otto Zehm, 36, was hogtied, stopped breathing and was transported to the hospital, where he died two days later. The defendant claimed the beating was justified because he felt threatened by a plastic bottle of soda Zehm was holding.