al baghdadi's death is a major blow to isis when lost its last syrian stronghold back in march. >> sam is joining us from the border there. what is the reaction there? >> reporter: the turkish authorities say they were involved in this and confirmed by the pentagon in deconflicting with the united states but not directly involved in this raid. in terms of the reaction inside syria, most people would be somewhat relieved with the death of the head of the snake, if you like, of the so-called islamic state, unusual place for him to have been hiding, though. the area that he was in just a few miles inside syrian territory from the turkish border is heavily controlled by al qaeda affiliates. those affiliates actually split when isis was formed from isis back in 2014 and, indeed,