when you reach azzan, you feel it's more sinister than jaar. the town is more desolate, more empty, heavily guarded. they very, very paranoid, far more than in jaar. i had many conversations with judges, clerics in azzan and they wouldn't let us film because no one was allowed to be filmed, to even have his voice recorded by the camera. no one was allowed to carry a cell phone. >> narrator: ghaith was shown the site of a us drone strike. >> these are the spots where the son of the american preacher anwar al awlaki was killed. >> narrator: the 16-year-old son of the al qaeda leader was a us citizen. >> his son and eight of his friends were sitting in this place and having dinner and were targeted by one rocket here, and another one there-- if you see, this big circle targeted them-- and then another rocket beyond this area. they say it's an american targeted killing, for an american citizen of course. >> narrator: it was the time for afternoon prayers. the streets were empty. >> narrator: at this checkpoint, ghaith discovered one gunman was from