Apparently, Osama Bin Laden died a long time ago and exists only in the theater of imagination and war propaganda.
This report from Corbett has a good timeline of clandestine information.
http://www.corbettreport.com/osama-bin-laden-pronounced-dead-for-the-ninth-time/
And infowars go in depth here http://www.infowars.com/inside-sources-bin-ladens-corpse-has-been-on-ice-for-nearly-a-decade/
