At CIA Hood served in Central Europe during the 1940s and 1950s (chief of station), was a deputy of Angleton at counterintelligence, and before retiring in 1975 was "chief of operation for Latin America". Wm. J. Hood obituary.
nixonlibrary.gov
Cf., Nixon White House Tapes January 1973Archived 2010-05-28 at the Wayback Machine, Nixon Presidential Library & Museum, released on 23 Jun 2009. This recording apparently presents a telephone conversation between Nixon and Helms, evidently in January 1973, after his ambassadorial appointment but before his leaving for Iran.
Cf., Nixon White House Tapes January 1973Archived 2010-05-28 at the Wayback Machine, Nixon Presidential Library & Museum, released on 23 Jun 2009. This recording apparently presents a telephone conversation between Nixon and Helms, evidently in January 1973, after his ambassadorial appointment but before his leaving for Iran.