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 ...

British double agent Kim Philby’s deceit was finally exposed by the daughter of a Jewish-Russian oil magnate offended by his anti-Israeli reports while operating undercover as a journalist in Beirut, ...

From traitor’s confession to Queen’s involvement - Trove of newly declassified files detail investigations into some of country’s most notorious double agents the ‘Ring of Five’ who passed information ...

As new documents reveal fascinating new details about the infamous MI6 double agent Kim Philby and his betrayals, Mark Hollingsworth reflects on how despite the evidence, he and fellow Soviet agent An ...

Helenus Milmo, a barrister and wartime MI5 officer, was tasked with trying to wring the truth from Kim Philby. Some seven ...

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

For decades, one question has lingered – when was the Queen told about Blunt’s betrayal? New evidence offers some answers ...

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

Will we ever tire of the Cambridge spies? Kim Philby, Anthony Blunt, Burgess and Maclean – and to a lesser extent John ...

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

The Cambridge Five consisted of Harold ‘Kim’ Philby, Guy Burgess, Donald Maclean, Anthony Blunt and John Cairncross, who ...