The study identifies (counter) terrorism trends, threats and policies in the EU, focusing particularly on seven themes, including database access and interoperability, measures on border security, criminal justice and prevention of radicalisation. It also analyses the coherence and effectiveness of the counterterrorism policy (architecture), and issues of cooperation, oversight and implementation, in particular of seven focus Member States: Belgium, Bulgaria, France, Germany, the Netherlands, Slovakia and Spain. This study also addresses future scenarios and formulates concrete policy options and recommendations. In addition to desk research, many interviews have been conducted with EU officials and practitioners in Member States, and an expert policy lab has been organized. The study was published on 1 April 2017, and is entitled ‘The European Union’s Policies on Counter-Terrorism; Relevance, Coherence and Effectiveness’.