The third guy on the recently published Reuters photos of the inside of the campound (photos leaked by a Pakistani official) is definitely the dead body of Khaled Bin Laden, Osamas son, that being the first visual and undeniable proof that the Bin Laden family was at that campound that night.
SEE THIS OTHER POST for more details :
http://www.freerepublic.com/focus/f-news/2715062/posts?page=58#58