His role in the Watergate cover-up forced him to resign from government. Haldeman was tried on counts of perjury, conspiracy and obstruction of justice. Haldeman was found guilty and imprisoned for 18 months. Upon his release he returned to private life and was a successful businessman.
↑Severo, Richard (November 13, 1993). "H. R. Haldeman, Nixon Aide Who Had Central Role in Watergate, Is Dead at 67". New York Times. Retrieved May 4, 2010. H. R. Haldeman, who spent 18 months in prison for his involvement in the Watergate scandal but said he believed his role as President Richard M. Nixon's chief of staff was the "mountaintop experience" of his life, died yesterday at his home in Santa Barbara, Calif. He was 67. A son, Hank, said that the cause was an abdominal tumor and that his father had been ill for a month.
More reading
Haldeman H.R. 1994. The Haldeman diaries: inside the Nixon White House. New York: Putnam. ISBN978-1-879371-86-6