Richard Barrett
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Beyond the Caliphate: Foreign Fighters and the Threat of Returnees

The Soufan Center

Abstract

This paper supplements two earlier papers by The Soufan Group: Foreign Fighters in Syria (June 2014), and Foreign Fighters—An Updated Assessment of the Flow of Foreign Fighters into Syria and Iraq (December 2015). It aims to add detail on where foreign fighters have come from, how many have gone home, and how many remain fighting. It also aims to illustrate the need for further research on almost all aspects of the foreign fighters phenomenon, without which governments may struggle to design and implement effective policy responses.