Table of contents : Acknowledgements Disclaimer Contents List of Figures Chapter 1 Introduction Abstract Terminology Methodology Bibliography Chapter 2 Jihadist Infiltration of Europe Since 2011: An Overview Abstract Scale of the Problem Individual Classifications Confidence Ratings Status in the Asylum System Geographic Distribution Nationality of Terrorist Offenders Demographic and Personal Characteristics Bibliography Chapter 3 Travel Abstract Migration Routes Timing Methods Exfiltration Bibliography Chapter 4 Operational Activity and Connections Abstract Offender Typology Connections to FTOs Plots and Attacks “Non-violent” Support Activities Connections to Crime Bibliography Chapter 5 Investigations and Prosecutions Abstract Point of Detection Sources of Investigation Judicial Outcomes Bibliography Chapter 6 Counter-Terrorism Abstract Key Developments in CT Challenges Recommendations Concluding Remarks Bibliography Appendix A: List of Cases Included in the Analysis Appendix B: List of Notable Cases Excluded from the Analysis Index