horrors marked by an obscene worship of violence. al-baghdadi isn't visible, but a doubtless decision maker. one more terrifying thing is not isis' obsession with gruesome murder, but its harnessing of social media to create. there were atrocities committed by isis' brand to die for it. in november 2014 rumors of an air strike hitting him and then within a week a recording of his speech. it became a pattern. no public appearances mixed with randomly released audio statements. u.s. officials told cnn they believe he was injured in may 2017 and had to take time away