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 ...

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

Secret UK Files Detailing Confessions of Cambridge Five Spies Released By Michael Holden LONDON (Reuters) - Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's ...

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former Cambridge University students who passed information to the Soviets from the ...

The Queen’s Private Secretary, Sir Martin Charteris, shared her composed reaction in a handwritten letter summarised by the head of the Security Service in a Top Secret memo. That memo is just ...