Newly declassified files show the moment the notorious Cambridge double agent finally confessed to his treachery.

Stewart Purvis leads guided walks of Hampstead showing tourists where the spies who leaked state secrets lived and met ...

Newly-declassified files show the Queen was only told the full story a decade after the Cambridge don and royal courtier ...

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

Sir Anthony Blunt, the Royal Family's picture surveyor and renowned art historian, finally admitted that he had been a Soviet agent since the 1930s.

The files about royal art historian Anthony ... Cambridge University in the 1930s, whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment. Mr ...

Anthony Blunt, Guy Burgess (who died in Moscow in 1963), Donald MacLean and Kim Philby, who tipped off Burgess and MacLean in 1951 forcing them to defect and then defecting himself in 1963. (PA via AP ...

Philby’s fellow Soviet agent Anthony Blunt ... “Give me five minutes while I wrestle with my conscience.” As Blunt’s confession unfolded, his nervousness intensified with his right ...

In the files relating to Anthony Blunt, there is a transcript of ... part of the "Ring of Five" - former Cambridge University students who passed information to the Soviets from the 1930s until ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents including Kim Philby and Anthony Blunt who spied for ... part of the "Ring of Five" ...