In August 2009, Scottish authorities released Abdel Basset Ali al-Megrahi, who was diagnosed with terminal cancer, on compassionate grounds after he served eight years of a life sentence. Megrahi, 60, is the only person convicted of a crime in connection with the 1988 bombing of Pan Am Flight 103.
Feb. 18, 1992Abdel Basset Ali al-Megrahi, center, a former Libyan secret service agent convicted in the Lockerbie bombing, is escorted by security officers in Tripoli, Libya. Megrahi was convicted in a Scottish court set up in the Netherlands and was sentenced to serve a minimum of 27 years of a life sentence. Manoocher Deghati/AFP/Getty Images