Jan. 14 (UPI) --Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II was not informed for almost 10 years that a member of her staff had ...

Though many apply, only a few have the skills and patience to make it as a “watcher”, an MI5 training manual published for the first time by the National Archives reveals. Despite the rise in ...

MI5’s top interrogator was baffled by Kim Philby, admitting he could not determine whether he was a Soviet spy, according to newly declassified intelligence files. Jim Skardon, a former ...

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 ...