Abdelbaset al-Megrahi 10 August 2009 that he had terminal prostate cancer. On his return to Libya, al-Megrahi was initially hospitalized then allowed to leave on 2 November 2009, taking up residence in a villa in Tripoli. He died on 20 May 2012, two years and 9 months after his release. Several legal experts as well as the UN observer at the Lockerbie trial have vehemently challenged the verdict that convicted Megrahi, while Ulrich Lumpert, the Mebo AG engineer who testified to the validity of a key piece of evidence, admitted in an affidavit to lying in court and stealing the object from
Hans Köchler's Lockerbie trial observer mission he met former MP and Lockerbie activist Tam Dalyell, MSP Alex Neil and Iain McKie, father of Scottish policewoman Shirley McKie. On 18 September 2008, he delivered a keynote speech on the "Lockerbie Trial and the Rule of Law" organised by The Firm magazine which was held at the Glasgow Hilton Hotel. Focusing on the public interest immunity certificate deployed by the British government, Köchler said:"Whether those in public office like it or not, the Lockerbie trial has become a test case for the criminal justice system of Scotland. At the same time, it has become an exemplary case on