Moussa Koussa of Abdelbaset al-Megrahi, the alleged Pan Am Flight 103 bomber, whose involvement in the story is quite controversial. Several legal experts as well as the UN observer at the Lockerbie trial have vehemently challenged the verdict that convicted Megrahi. Koussa is also credited for the expulsion of Abu Nidal from Libya, whom he describes as a ruthless murderer and terrorist that Gaddafi allowed to live in Libya in 1986, the year the United States launched Operation El Dorado Canyon against Gaddafi for his association and harboring of terrorists. On 23 August 2002, the BBC reported that Abu Nidal was 'behind
Hans Köchler's Lockerbie trial observer mission Hans Köchler's Lockerbie trial observer mission Hans Köchler's Lockerbie trial observer mission stemmed from the dispute between the United Kingdom, the United States, and Libya concerning arrangements for the trial of two Libyans accused of causing the explosion of Pan Am Flight 103 over Lockerbie on 21 December 1988. The dispute was resolved on the basis of legally binding United Nations Security Council Resolution 1192 of 27 August 1998. UN Security Council resolution 1192 "welcomed" "the initiative for the trial of the two [Libyan] persons charged with the bombing of Pan Am flight 103 ... before a Scottish court sitting