Abu Bakr al-Baghdadi shaped and led ISIS, defining its brutal ideology and establishing himself as a "caliph of all Muslims". What does his death mean for ISIS? Jen talks to Carnegie expert H.A. Hellyer about how Baghdadi shaped the ideologies of extremism, and what can be done to reverse the tides of radicalization.

Go further: https://carnegieendowment.org/2019/10/28/conditions-that-created-isis-still-exist-pub-80219