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 ...
Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former Cambridge University ... and equipment used by spies in the agency's 115 ...
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