Pan Am Flight 103 two Libyan nationals in November 1991. In 1999, Libyan leader Muammar Gaddafi handed over the two men for trial at Camp Zeist, Netherlands, after protracted negotiations and UN sanctions. In 2001, Libyan intelligence officer Abdelbaset al-Megrahi was jailed for life after being found guilty of 270 counts of murder in connection with the bombing. In August 2009, he was released by the Scottish Government on compassionate grounds after being diagnosed with prostate cancer. He died in May 2012 as the only person to be convicted for the attack. In 2003, Gaddafi accepted responsibility for the Lockerbie bombing and paid compensation
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