Question: The Unknown Known, is a 2013 American documentary film about the political career of former U.S. Secretary of Defense and congressman Donald Rumsfeld, an American retired politician and businessman, heserved as the 13th Secretary of Defense from 1975 to 1977 under which President?  
Sentence (from "Samuel Provance"): The main points of his testimony are that military intelligence soldiers and contracted civilian interrogators had abused detainees, that they directed the military police to abuse detainees, the extent of this knowledge at the prison, and the subsequent cover-up of these practices when investigated.
Relevant evidence: No