<Li> One CIA interrogator who was subsequently sent home early threatened a prisoner with a gun and power drill and played Russian Roulette with him . </Li> <Li> At least two prisoners were victims of "mock executions ." </Li> <Li> Several prisoners almost died and became completely unresponsive or nearly drowned during waterboarding . </Li> <Li> Abu Zubaydah's eye was so badly damaged during his time in prison that it was surgically removed . </Li>

Committee study of the cia's detention and interrogation program