Antihero Felt Admits To Be Deep Throat, Big Leaker - Washington Post Glad To Take Leaks. I still do not know who Deep Throat is, although a man who previously denied being the spy for the Washington Post is now stating that he is, indeed, the said person of interest. It has been reported that his family wants him to gain some fame for himself in his latter years - and some cash for themselves, today. Mark Felt, the man who will be known as a Richard Clarke prototype, because they both were passed over for promotion and retaliated for...