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In October 1949, the British spy [[Kim Philby]] arrived in Washington as British intelligence liaison to the U.S. intelligence community.  Part of his responsibilities involved receiving VENONA material which the U.S. was providing to the U.K.  In April 1951, a decoded VENONA message showed that [[Donald MacLean]], who had served as Second Secretary at the British Embassy in Washington in 1944 and 1945 (and returned in 1947 to work on atomic energy issues), was “HOMER,” a Soviet spy.  Surveillance of MacLean commenced in order to obtain evidence independent of VENONA, as the U.S. and U.K. did not want to reveal publicly the existence of the project, but MacLean defected to Moscow with [[Guy Burgess]] in May 1951.  

In October 1949, the British spy [[Kim Philby]] arrived in Washington as British intelligence liaison to the U.S. intelligence community.  Part of his responsibilities involved receiving VENONA material which the U.S. was providing to the U.K.  In April 1951, a decoded VENONA message showed that [[Donald MacLean]], who had served as Second Secretary at the British Embassy in Washington in 1944 and 1945 (and returned in 1947 to work on atomic energy issues), was “HOMER,” a Soviet spy.  Surveillance of MacLean commenced in order to obtain evidence independent of VENONA, as the U.S. and U.K. did not want to reveal publicly the existence of the project, but MacLean defected to Moscow with [[Guy Burgess]] in May 1951.  

==Reference==

==References==

* Christopher Andrew and Oleg Gordievsky, ''KGB: The Inside Story'' (New York: HarperCollins, 1990), 373- 74.

* Christopher Andrew and Oleg Gordievsky, ''KGB: The Inside Story'' (New York: HarperCollins, 1990), 373- 74.

*[http://www.fas.org/sgp/library/moynihan/appa7.html Moynihan Commssion Report on Government Secrecy, Appendix A, ''The Cold War''] (1997)

*[http://www.fas.org/sgp/library/moynihan/appa7.html Moynihan Commssion Report on Government Secrecy, Appendix A, ''The Cold War''] (1997)