[1] On 13 September 1963, feeling guilty for the suicide of French military attaché Louis Guibaud, which was driven by a similar seduction/compromise operation,[1] he defected in London, England.
[3] In November 1969, Krotkov testified before the U.S. Senate Subcommittee on Internal Security that Wilfred Burchett had been his agent when he worked as a KGB controller.
However, he also named, very implausibly, Jean-Paul Sartre and John Kenneth Galbraith as KGB agents, casting a great deal of doubt on his testimony.
[5] The returning dissident Vladimir Bukovsky was able to gain access to formerly secret documents in Moscow in 1992, and was able to copy them, including those concerning Burchett.
"[8] KGB archives indicate that in 1957 Burchett was receiving monetary compensation for his services as a journalist,[9] but do not contain evidence of espionage or acting as an agent for the Soviet state.