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

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 kept in the dark for a decade about a Russian spy who infiltrated her household and was one of her ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified ...

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

Among the papers is an incomplete six-page confession from 1963 of Philby, seen as the Cambridge Five's ringleader and who ...