Cpl. Jeremy Morlock, Staff Sgt. Calvin Gibbs and Spc. Michael Wagnon, left to right. In a ruling that could lead to a new trial, a military appeals court has ordered a fresh look into the evidence used to convict Army Staff Sgt. Calvin Gibbs, the mastermind of the “kill team” that murdered three Afghan civilians in 2010. Gibbs, a former soldier at Washington state’s Joint Base Lewis-McChord, is serving a life sentence at the military prison at Fort Leavenworth, Kan. Image from the Army report