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 spied ...

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

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

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 documents ...

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 the ...

Jonathan Hall KC warned that football hooligans and criminal gangs could technically be classed as terrorists under Sir ...

A defendant in an alleged Russian spy ring case told police he had already spoken to MI5 when he was arrested, the Old Bailey ...

A World War II-era tailing guide is among declassified records shedding light on spy game in MI5: Official Secrets, at the National Archives.

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 ...

Newly released MI5 files from the National Archives reveal that British intelligence monitored potential connections between ...

MI5 feared film star Dirk Bogarde could be the target of a KGB gay "entrapment" attempt after it emerged he was on a list of 'six practising British homosexuals' passed to the Russians ...

The PSNI has refused to say if MI5 officers were involved in a stop and search of republican mourners returning from the wake ...