This book examines two key themes in terrorism studies, the radicalization process and counter-terrorism policies, through the lens of social networks.

Martin Bouchard is Associate Professor at the School of Criminology, Simon Fraser University, Canada. He is co-editor of Illegal Markets and the Economics of Organised Crime (Routledge 2010), and World Wide Weed: Global Trends in Cannabis Cultivation and its Control (2011), and editor of Advances in Research on Illicit Networks (Routledge 2015).

Foreword: Daniel Hiebert and Lorne Dawson 1. Radical and Connected: An Introduction, Martin Bouchard Part I: Terrorism and Radicalization: History, Networks, and the Internet 2. The Past is Present: The Roots of Modern Terrorism, Andre Gerolymatos 3. The Gray Cygnet Problem in Terrorism Research, Laura Huey 4. Researching Terrorism and Counter-terrorism Through a Network Lens, Martin Bouchard and Rebecca Nash 5. Travel Broadens the Network: Turning Points in the Network Trajectory of an American Jihadi, Rebecca Nash and Martin Bouchard 6. A Radical Sociability: In Defense of an Online/Offline Multidimensional Approach to Violent Radicalisation, Benjamin Ducol 7. Terrorist Organizations' Use of Recruitment on the Internet, Garth Davies, Martin Bouchard, Edith Wu, Kila Joffres, Richard Frank 8. Exploring the Behavioral and Attitudinal Correlates of Civilian Cyberattacks, Thomas Holt, Max Kilger, Lichun Chiang, Chu-Sing Yang Part II: Counter-terrorism: Prospects, Pitfalls, Policies 9. Security Networks and Counter-terrorism: a Reflection on the Limits of Adversarial Isomorphism, Benoit Dupont 10. The Promise and Perils of Integrated Models of Public Safety in Canada, Veronica Kitchen and Adam Molnar 11. A Systematic Approach to Develop a Computational Framework for Counter-terrorism and Public Safety, Andrew Park and Herbert Tsang 12. Radical and Connected: Concluding Thoughs and Future Research, Martin Bouchard