ISIS has used videos of its shocking beheadings of Western hostages to seize the world 's attention , threatening the United States and its allies . Images evoke apocalyptic battles between the Islamic State fighters and the rest of the world . Expert : It 's part of `` a global outreach strategy to recruit immigrants to build its state '' Named `` Dabiq '' , '' the magazine calls Dabiq and James Foley `` crusaders '' The latest issue carries an article defending the killing of McCain .
Images evoke apocalyptic battles between the Islamic State fighters and the rest of the world . Expert : It 's part of `` a global outreach strategy to recruit immigrants to build its state '' Named `` Dabiq '' , '' the magazine calls Dabiq and James Foley `` crusaders '' The latest issue carries an article defending the killing of McCain .