Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...
Former aide of late Queen Elizabeth II, Anthony Blunt, worked as spy for the Russia for almost 10 years without the queen ...
The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by ...
Queen Elizabeth II was not told officially for nearly a decade that one of her most senior courtiers had admitted he was a ...
Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II was not ...
The newly-declassified documents include details about some of the UK's most notorious spies.
Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...