Alexander Porter Butterfield was an American Air Force officer, public official and businessman. From 1969 to 1973, Butterfield served as deputy assistant to President Richard Nixon. On July 13, 1973,
Butterfield in 1969
Tape recorder from President Nixon's Oval Office
Left to right: Fred Thompson, Sen. Howard Baker, and Sen. Sam Ervin during the Senate Watergate Committee hearings
Butterfield at the Lyndon B. Johnson Presidential Library in 2016
William Mark Felt Sr. was an American law enforcement officer who worked for the Federal Bureau of Investigation from 1942 to 1973 and was the informant known as "Deep Throat" in the Watergate scandal
Alexander Butterfield
…the identity of Watergate informant "Deep Throat" prior to the disclosure in 2005. He told the Hartford Courant in 1995, "I think it was a guy named Mark Felt." Butterfield was a major source for Bob Woodward's 2015 book The Last of the President's Men. Butterfield retained an extensive number of records when…
J. Edgar Hoover, director of the FBI, photographed in 1961. Hoover appointed Felt the third-ranking official in the bureau in 1971.
Felt saw all files on the FBI's investigation of the burglary at the Watergate complex in 1972
President Ronald Reagan pardoned Felt and Miller.