Question: The Mitrokhin Commission was set up to investigate ties to which Soviet security agency?
Sentence (from "Vasili Mitrokhin"): Vasili Nikitich Mitrokhin (Russian: Васи́лий Ники́тич Митро́хин ; March 3, 1922 – January 23, 2004) was a major and senior archivist for the Soviet Union's foreign intelligence service, the First Chief Directorate of the KGB, who defected to the United Kingdom in 1992 after providing the British embassy in Riga with a vast collection of KGB files, which became known as the Mitrokhin Archive.
Relevant evidence: No