Foreign Policy

Foreign Policy Paper Series

REUTERS/Kevin Lamarque - U.S. President Barack Obama chairs the United Nations Security Council summit on foreign terrorist fighters in New York September 24, 2014.

Paper

The Threat of Terrorism from Western Foreign Fighters in Syria and Iraq

January 2015, Daniel L. Byman and Jeremy Shapiro

Many U.S. and European intelligence officials fear that a wave of terrorism will sweep over Europe, driven by the civil war in Syria and the crisis in Iraq. Dan Byman and Jeremy Shapiro analyze what drives these individuals to become foreign fighters and provide key policy recommendations that show how the various mitigating factors and effective policies can lessen the danger presented by foreign fighters.

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