Publications

Security Policy Briefs

PDF
+ details

From bad to worse: The fate of European foreign fighters and families detained in Syria, one year after the Turkish offensive

Hundreds of European “foreign fighters” are still being held by Kurdish authorities, in Syria. Their fate remains uncertain, as European governments are unwilling to repatriate their citizens. Meanwhile, security and […]

Events

Why counterterrorism is so difficult

Conference with Martha Crenshaw,  Stanford University, Center for International Security and Cooperation. What is it about terrorism that makes it such a challenging policy problem? Why is terrorism so intractable? […]