This has not been proven and is only a theory.
but don't let opinion get in the way of facts.
""The release of Megrahi has nothing to do with the negotiations about BP contracts," Abdul Ati al-Obeidi, Libya's Minister for Europe, tells TIME
Read more: BP Linked to Release of al-Megrahi, the Lockerbie Bomber? - TIME
He was found guilty. Glad he finally is gone.