Newly released MI5 files reveal that, for nearly 10 years, the late monarch didn’t know that royal household member Anthony Blunt was actually a Soviet double agent. According to the BBC ...

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 ...

However, a Second World War guide produced by MI5 for prospective agents concluded that the ideal “watcher” was “born and not made”. The 17-page guide, which was compiled for “officers ...

Rookie wartime MI5 "watchers" were advised they needed to be prepared to offer a big tip if they had to tell a taxi driver to "follow that cab" when pursuing a suspect, newly declassified ...

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 are part of a new exhibition on display at ...

Actor Dirk Bogarde was warned by MI5 that he could be the target of a gay “entrapment” sting by the KGB, newly-declassified files reveal today. The intelligence documents released to the ...

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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 ...