>> now, this is camp bucca. >> major general doug stone was brought in to fix camp bucca. even he was wary of the inmates. here he is giving cnn's nic robertson a tour in 2008. >> we have about 2,000 identified al qaeda in the facility. they're very hard to break. >> you have shields up here to protect us. everyone is crowded around looking at us now. >> this is not a place that you want to hang around. we don't want to stand here that much longer because they will now organize around us. >> there were beatings, unexplained prisoner deaths, and several dangerous jihadis escaped. into this cauldron, one day in early 2004, a new man arrived. we know him now as abu bakr al