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

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

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

Jim Skardon, a former Metropolitan Police Special Branch detective, was renowned within MI5 after obtaining a confession from ...

Newly declassified files show the moment the notorious Cambridge double agent finally confessed to his treachery.

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

While shows like The Americans and Slow Horses are based on fictional characters, the gripping MGM+ miniseries A Spy Among ...

British double agent Kim Philby’s deceit was finally exposed by the daughter of a Jewish-Russian oil magnate offended by his ...

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

"He can’t do anything here anymore, he can’t leave the house, he can’t do any business, and now he is apparently Kim Philby [a British double agent in WWII].” The move to the Middle East ...