A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

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 ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser's double life as a Soviet spy because palace officials didn’t want to add to her ...

They shed new light on a spy ring linked to Cambridge University ... Two of the Cambridge spies, Donald Maclean and Guy Burgess, fled to Russia in 1951. A third, Kim Philby, continued to work ...

He had been recruited by the Soviets while he was at the University of Cambridge, joining a spy ring that included other infamous double agents Donald Maclean, Guy Burgess and Kim Philby.

They shed new light on a spy ring linked to Cambridge University ... Donald Maclean and Guy Burgess, fled to Russia in 1951. A third, Kim Philby, continued to work for foreign intelligence agency ...