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

Helenus Milmo, a barrister and wartime MI5 officer, was tasked with trying to wring the truth from Kim Philby. Some seven ...

Queen Elizabeth II was not told officially for nearly a decade that one of her most senior courtiers had admitted he was a ...

Newly-declassified files show notorious double agent refused ‘insane’ order to follow fellow spies Burgess and Maclean to ...