A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

Anthony Blunt and John Cairncross, who together made up the most infamous spy ring of the 20th century. They were all ...

Notorious double agent Anthony Blunt feared that his KGB handler would turn ... had all been recruited by the Russians while ...

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

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by ...

Yet in 1964 Blunt, then known as Sir Anthony ... the “fourth man” of the Cambridge Five, a notorious group of spies who were all educated at the university and worked for the Russians into ...

The secret files record how the country's security services only told her about the infamous Cambridge Five member and art ...

Queen Elizabeth II was not told about her long-time art adviser's double life as a Soviet spy, newly declassified documents ...

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

The Queen was fully informed of Blunt's spying for the KGB nine years after his confession - The Crown series devoted an ...

Anthony Blunt and John Cairncross, who together made up the most infamous spy ring of the 20th century. They were all graduates of Cambridge University who were recruited by Soviet Intelligence ...

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former Cambridge University students who passed information to the Soviets from the ...