The booklet is among various newly-declassified records set to go on display in a groundbreaking exhibition showcasing MI5's ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser's double life as a Soviet spy because palace officials didn’t want to add to her worr ...

Declassified documents reveal MI5’s secret tips for being a spy - The guidance is contained in a booklet issued to all new ...