"Wynne and Penkovsky's espionage activities were eventually discovered by the KGB . Both men were arrested in October 1962, around the time of the Cuban Missile Crisis .[2] Penkovsky was sentenced to death and executed the following year.
Wynne was convicted of spying on 11 May 1963 and sentenced to eight years in prison. He was held in harsh conditions at Lubyanka. In April 1964, amid British concerns for his deteriorating health, [2] Wynne was released in exchange for the Soviet spy Konon Molody (also known as Gordon Lonsdale). [4]"
