FILE - This Dec. 22, 1988 file photo shows police and investigators look at what remains of the flight deck of Pan Am 103 on a field in Lockerbie, Scotland. Libyan Abdel Baset al-Megrahi the only man ever convicted in the bombing of a Pan Am jet over Lockerbie, Scotland, was due to learn Thursday Aug. 20. 2009,whether he will be freed on compassionate grounds and allowed to return to Libya or die in a British prison. (AP Photo/File)