The editors wish to thank the multidisciplinary team of experts who have contributed to this book, sharing their knowledge and experience. Thanks are also extended to Lord Carlile of Berriew CBE QC for supporting this work. We would also like to take this opportunity to acknowledge the contribution of the team at CENTRIC (Centre of excellence in terrorism, resilience, intelligence, and organized crime research, at Sheffield Hallam University) and for the support provided by West Yorkshire Police, the Office of the Police and Crime Commissioner for West Yorkshire, and the United Nations Interregional Crime and Justice Research Institute (UNICRI).

And finally, we express our gratitude and appreciation to Dr. Eleanor Lockley. Her contribution and dedication has made this edited volume possible.

We would particularly like to acknowledge the following organizations and individuals for their support:

Sheffield Hallam University

West Yorkshire Police

Office of the Police and Crime Commissioner for West Yorkshire

United Nations Interregional Crime and Justice Research Institute