Detective Superintendent Simon Chesterman, from Thames Valley Police, said there was an on-going investigation into the theft of the machine but denied any connection with the release of Mr Yates.

BBC: Enigma 'handler' released from prison

An SEC spokesman said Tuesday he was not aware of any connection between the timing of Stachnik's retirement and the release of the report.

FORBES: SEC Official Retires As Report Blasts Performance

Recently the London Times reported that the Obama Administration supported the conditional release of Abdel Baset al-Megrahi, the Lockerbie bomber convicted in connection with the deaths of 270 people, mostly Americans.

FORBES: On The Cover/Top Stories