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

Anthony Blunt had been recruited by the NKVB, the Soviet Union's espionage service which later became the KGB, on the campus of Cambridge University. He was still a student at the time.

Notorious double agent Anthony Blunt feared that his KGB handler would turn violent ... by the Russians while or after studying at Cambridge University in the 1930s. In the years that followed ...

After being recruited at Cambridge University in 1934 ... He admitted betraying Konstantin Volkov, a KGB officer who tried to defect to the West, bringing with him details of traitors operating ...

Notorious double agent Anthony Blunt feared that his KGB handler would turn violent when he refused ... had all been recruited by the Russians while or after studying at Cambridge University in the ...