Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...
Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified ...
Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...
As new documents reveal fascinating new details about the infamous MI6 double agent Kim Philby and his betrayals, Mark ...
Members of the spy ring in the 1930s spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment.
Queen Elizabeth II was not told about her long-time art adviser's double life as a Soviet spy, newly declassified documents ...
Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...
Two of the Cambridge spies, Donald Maclean and Guy Burgess, fled to Russia in 1951. A third, Kim Philby, continued to work for foreign intelligence agency MI6 despite falling under suspicion.
MI5 documents reveal her private secretary ‘saw no advantage in telling her’ about treachery of Buckingham Palace art expert ...