Another poster claims the best selling book on OBL says they use Macs.
http://www.freerepublic.com/focus/f-chat/1793048/posts?page=69#69
Either way, simply using a product out of necessity is not the same as giving it your full endorsement, or creating a version of your own, as all communists governments do with Linux. Why you try to cover it all up is the only question.
OMG, terrorists prefer Macs! Apple, you horrible company!