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 of the doctrine of international law. In September 2008, following a meeting organised by the Lockerbie Justice Group at Greshornish House on the Isle of Skye, Köchler and Professor Robert Black called for a new public inquiry into the Lockerbie bombing. Köchler said:"Irrespective of the outcome of the current appeal, there should be a reinvestigation of the incident by the Scottish authorities. It is extremely frustrating that with regard to such an incident just one person has been presented as the culprit and no further questions asked. Only a child would believe such a story." During Köchler's visit to Scotland,