Clearing Up the 'Deep Throat' Mystery After 30 years of speculation, the identity of the confidential informant "Deep Throat" was revealed: former FBI official Mark Felt was the man who helped bring down Richard Nixon. Felt, whose story became the source of a new flurry of media attention in 2005, has died.
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Special Series

Clearing Up the 'Deep Throat' Mystery

The revelation that ex FBI man Mark Felt was "Deep Throat" sets off a fresh media frenzy.