Belgium has one of the highest numbers of Jihadist fighters per capita in Europe. A large group of often young men and women left Belgium for the IS Caliphate in Syria and Iraq. This book focuses on the law governing this situation, with its aim being twofold. First, it provides a comprehensive and detailed overview of the legal framework. Second, it provides suggestions on how to improve the framework, both with a view to effectiveness and with respect for fundamental rights and principles.

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