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 ...

Anthony Blunt, who worked at Buckingham Palace as Surveyor of the Queen’s Pictures, was secretly a Soviet spy during WWII.

Jan. 14 (UPI) --Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II ...

Some MI5 material relating to its involvement with a teenager who was charged with terrorism before taking her own life is ...

The manual gives instructions on preferred appearances, disguises and how to follow targets – but warns against fake ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified ...

Avoid false beards, carry plenty of spare change and know what to do when you need to tell a taxi driver "follow that cab!" - ...

A newly declassified document is on display at the National Archives. It reveals the advice given to new MI5 recruits during ...

Papers released by MI5 show that although Blunt confessed to them he had spied for the Russians during World War Two, the ...

FILM star Dirk Bogarde was investigated by spies at MI5 as they thought he could be the target of a gay “entrapment” attempt ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser's double ...

Queen Elizabeth II wasn’t told details of her long-time art adviser’s double life as a Soviet spy because palace officials ...