Declassified documents confirm that the late Queen Elizabeth II of England was not informed ... He retained his position after the latter's death, when Elizabeth II ascended the throne. He was only caught by MI5 in 1964, after the denunciation of a member ...

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 for the then-Soviet Union.

Queen Elizabeth II was not officially informed for nearly a decade that Anthony Blunt was a Soviet spy, newly declassified documents reveal.