 Aman Kassaye, who planned and executed the heist, was found guilty of conspiracy to rob, kidnap and possession of a firearm after a three-month trial at Woolwich Crown Court.On 7 August 2010, he was sentenced to 23 years in prison.Three other men – Solomun Beyene, 25, of London, Clinton Mogg, 43, of Bournemouth, and Thomas Thomas, 46, of Kingston upon Thames – were each jailed for 16 years after also being convicted of conspiracy to rob.