This is the heading over the most recent post on Caustic Logic's blog The Lockerbie Divide. It sets out a well-argued case for concluding that there was jiggery-pokery involved in inducing Abdelbaset Megrahi to drop his appeal even though that was not a requirement for compassionate release.
I may be being naive, but I continue to believe that the decision to abandon the appeal was taken simply because it kept open the possibility of repatriation under the UK-Libya Prisoner Transfer Agreement. Declining to abandon would have meant Megrahi putting all his eggs in the single basket labelled "compassionate release" at a time when he had no way of knowing which of the two alternatives Kenny MacAskill was likely to favour (if he was minded to grant repatriation at all).
Since the diagnosis of terminal prostate cancer was delivered, and in the light of the Scottish Prison Medical Service's conclusion that no life-extending treatment was possible (a conclusion that, incidentally, seems to have been falsified by events after Megrahi's return to Libya) Megrahi's overriding concern was to return to his homeland to die in the bosom of his family. Had he refused to terminate his appeal, he would have been depriving himself of one of the only two mechanisms available for securing that return. It ultimately transpired that the Justice Secretary opted for the mechanism that did not require abandonment. But Megrahi had no way of knowing that that was the way that Mr MacAskill would jump (and the Minister had stated that there would be no nods or winks before his decision was publicly announced) and so he decided to hedge his bets.