The terrorist bomb that brought down New York-bound Pan Am Flight 103 over Lockerbie, Scotland, killed all 259 people on board and 11 others on the ground. After a three-year investigation, US and UK authorities announced indictments against two Libyan officials in connection with the bombing. Libya finally turned over the suspects in 1999. After a nine-month trial, one of them, Abdel Basset Ali al-Megrahi, was found guilty and sentenced to life in prison. Why was he released in 2009? Discuss