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

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified documents from MI5. The documents ... of Cambridge spy Kim Philby's confession.

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by Britain's National Archives. They shed new light on a spy ring linked to ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by Britain's National Archives. They shed new light on a spy ring linked to ...

Queen Elizabeth II was not officially informed for almost a decade that one of her most senior courtiers had confessed to being a Soviet spy, according to newly released MI5 files. Art historian ...

Historian Christopher Andrew says in the official history of MI5 that the queen had previously been told about Blunt in "general terms."Blunt was publicly unmasked as a spy by Prime Minister ...

Newly released MI5 files reveal that ... Elizabeth was officially informed that her former employee was a Soviet spy. She was notified only then, when Blunt fell ill, in case a media uproar ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by Britain’s National Archives. They shed new light on a spy ring linked to ...