Published: Aug 15, 2010 10:48 PM EDT
Updated: Aug 15, 2010 7:48 PM EDT

LONDON (AP) - Relatives of the victims of the 1988 Pan Am bombing over Lockerbie, Scotland, are finding new reasons for anger over the release of the only man ever convicted in the case.

Abdel Baset al-Megrahi was released from prison by officials in Scotland a year ago and was allowed to return home to Libya. At the time, experts said he probably only had three months to live because of his prostate cancer. A year later, he's still alive and is still being treated in Libya.
And now, one of the cancer experts who had assessed his health is quoted as saying he should have been more cautious about the chances for survival.
Professor Karol Sikora tells Britain's Observer newspaper that if he had it to do over again, he would have been "more vague."
The head of a group of victims' families says, "It's obvious the whole thing was flawed." Frank Duggan says Scottish officials should have gone along with a U.S. request for an independent medical examination.