Brilliant Middle East experts of the US government

"Doubts about the man who claimed to be Mansour arose after his third meeting with Afghan officials in Kandahar, when a member of the group who had once known him told other attendees that the man at the table was not the same man. Others who knew Mansour and were shown the man's picture agreed. Afghan officials later said they believed he was a lowly grocer from the Pakistani town of Quetta." (thanks Khalid)