After keeping secret for 30 years his involvement with reporters Bob Woodward and Carl Bernstein , Felt admitted to being the Watergate scandal 's whistleblower , `` Deep Throat , '' on May 31 , 2005 .
After denying his involvement with reporters Bob Woodward and Carl Bernstein for 30 years , Felt revealed himself to be the Watergate scandal 's whistleblower , `` Deep Throat '' on May 31 , 2005 .