Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...

MI5 documents reveal her private secretary ‘saw no advantage in telling her’ about treachery of Buckingham Palace art expert ...

The secret files record how the country's security services only told her about the infamous Cambridge Five member and art ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...

Anthony Blunt and John Cairncross, including their confessions,” the government agency said. The Soviets recruited Philby, ...

The newly declassified papers tell how the Queen was left in the dark about the scale of the treachery of Anthony Blunt ... fellow of Trinity College, Cambridge, Blunt had been recruited in ...

Newly declassified British documents show that Queen Elizabeth II wasn't told details of her long-time art adviser's double ...

Queen Elizabeth II was not told about her long-time art adviser's double life as a Soviet spy, newly declassified documents ...

DURING the Blitz, Anthony Blunt was the assistant to the chief of counter-intelligence at MI5. He was recruited as a Soviet agent at Cambridge University in the 1930s before becoming an art historian.

Notorious double agent Anthony Blunt feared that his KGB handler ... had all been recruited by the Russians while or after studying at Cambridge University in the 1930s. In the years that followed ...

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former ...

Classified documents released Tuesday by Britain's MI5 50 years on reveal the extent of communist-era espionage involving the country's infamous Cambridge Five to the extent that one of the spies ...