Thats an explosion in the Syrian Border city of kobani where much of the documentary style images are set. We wont show you the most horrific images of isis victims but it also uses clips of reporters reporting from the besieged area and news reports from western media showing World Leaders condemning isis actions. Another clip right here appears to show isis fighters shooting down a military held continuer in iraq. If we have that clip. Jim sciutto, cnn chief National Security correspondent with us now. Theres also a mention of president obama, president bush is mentioned. What is the purpose of this video . All these videos have the same purpose, they brag and threaten theres a clip about shooting down ang iraqi helicopter, pictures of the dead ypg fighters, and they also threaten all of this intended to attract recruits and supporters but the threat was interesting and ill just read the translation of it. It says in obama promised you with defeating the Islamic State then bush has a