John Ehrlichman

John Daniel Ehrlichman (/ˈɜːrlɪkmən/; March 20, 1925 – February 14, 1999) was counsel and Assistant to the President for Domestic Affairs under President Richard Nixon. He was a key figure in events leading to the Watergate first break-in and the ensuing Watergate scandal, for which he was convicted of conspiracy, obstruction of justice, and perjury and served a year and a half in prison.