While the Warren Commission concluded that President Kennedy was shot from behind, conspiracy theorists have been claiming for decades that he was shot from the front.
I have found a document that proves that conspiracy theorists were right all along.
Indeed, when JFK received a bullet in the throat he was unable to talk (he could not even utter a sound). When he was shot a second time, he fell on Jackie's lap. Unable to talk, at least he could write. Using his own blood, he was able to write something on White House stationary before fainting :