Graham Mitchell

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Not to be confused with Graham Mitchell (scientist)

Graham Mitchell was an MI5 officer.

Deputy Director General

Mitchell came under investigation as a potential double agent during his tenure as Deputy Director General (DDG) of MI5. In May 1963, Arthur Martin and Peter Wright deduced that he was a potential Soviet mole, and he was placed under surveillance in his own office until his retirement on 6 September 1963.[1]

External resources


  1. Christopher Andrew, Defence of the Realm, The Authorized History of MI5, Allen Lane, 2009, p.507.