Staff Sgt . Gibbs is one of one soldiers charged with killing Afghan civilians . A soldier in his platoon told investigators Gibbs was `` pretty much evil incarnate '' According to investigative documents made available to CNN , Gibbs collected human fingers from his victims . The Stryker Brigade is now looking into his role in the the summer of 2004 deaths of a family in Afghanistan .
Staff Sgt . Gibbs is one of one soldiers charged with killing Afghan civilians . A soldier in his platoon told investigators Gibbs was `` pretty much evil incarnate '' The Stryker Brigade is now looking into his role in the the summer of 2004 deaths of a family in Afghanistan .