In April 1973, with a [[United States Senate|Senate]] investigation underway, several top Nixon aides, including [[H. R. Haldeman]] and [[John D. Ehrlichman]], resigned over the scandal, and White House counsel John Dean III was fired. Dean subsequently testified during televised hearings beginning in May, exposing Nixon's participation in the Watergate cover-up and massive illegalities in Republican fundraising in 1972. | In April 1973, with a [[United States Senate|Senate]] investigation underway, several top Nixon aides, including [[H. R. Haldeman]] and [[John D. Ehrlichman]], resigned over the scandal, and White House counsel John Dean III was fired. Dean subsequently testified during televised hearings beginning in May, exposing Nixon's participation in the Watergate cover-up and massive illegalities in Republican fundraising in 1972. |