The National Archives has released declassified MI5 files, including the confession of a civil servant who worked in the ...

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

The British secret service has declassified new documents about the famous spy who ended up fleeing to Moscow, where he died ...

Britain’s National Archives on Tuesdayreleased declassified MI5 domestic counterintelligence agency files containing the ...

The newly-declassified documents include details about some of the UK's most notorious spies.

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...

Top-secret MI5 files have revealed first-hand accounts of confessions from three members of the notorious Cambridge Five spy ...

Trove of newly declassified files detail investigations into some of the country’s most notorious double agents, the ‘Ring of ...

MI5 reveals confessions of three members of infamous Cambridge Five spy ring as tranche of documents released into National ...

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

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...