Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...
Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...
From traitor’s confession to Queen’s involvement - Trove of newly declassified files detail investigations into some of ...
Queen Elizabeth II was not officially informed for nearly a decade that Anthony Blunt was a Soviet spy, newly declassified ...
Britain’s National Archives on Tuesdayreleased declassified MI5 domestic counterintelligence agency files containing the ...
MI5 reveals confessions of three members of infamous Cambridge Five spy ring as tranche of documents released into National ...
Amid fears of arrest and that their spy ring was about to be broken up ... The trio, together with Kim Philby and John ...
The newly-declassified documents include details about some of the UK's most notorious spies.
"She took it all very calmly and without surprise," it said. Cairncross, the last of the spy ring to be publicly identified ...