ISIS has released footage of its killings before , but latest video is different in key aspects . Comment: The first thing to understand about the Islamic State ( IS ) and their ideology : They are not a religion or sect ; they are an organization that believes it's mission is to establish a
ISIS has released footage of its killings before , but latest video is different in key aspects . `` It 's a kind of atrocity pornography , '' says author Karima Bennoune .