Iraqi fighters from the Saraya al-Salam (Peace Brigades), a group formed by Iraqi Shiite Muslim cleric Moqtada al-Sadr, wave their weapons as they leave the holy city of Najaf

The Evolution of ISIS

The Leonard Lopate Show | Mar 27, 2015

Two of America’s leading experts on violent extremism and terrorism, Jessica Stern and J.M. Berger, explain the genesis and evolution of the Islamic State. ISIS: The State of Terror draws on their access to intelligence sources, law enforcement, and groundbreaking research, analyzing the tools ISIS uses both to frighten innocent citizens and lure new soldiers.

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