Joshua D. Freilich is a member of the Criminal Justice Department, and the Criminal Justice PhD Program at John Jay College, CUNY, USA, the Creator and co-Director of the United States Extremist Crime Database (ECDB) study, an Executive Committee member of the National Consortium for the Study of Terrorism and Responses to Terrorism (START), and a member of the Global Terrorism Database's Advisory Board. His research focuses on the causes of and responses to terrorism; criminological theory, especially environmental criminology and crime prevention; and measurement issues. Gary LaFree is Director of the National Consortium for the Study of Terrorism and Responses to Terrorism (START), and Professor in the Department of Criminology and Criminal Justice at the University of Maryland, USA. He is a Fellow of the American Society of Criminology (ASC) and served as President of the ASC (2005-6). He also serves on the Executive Committee of the National Academy of Sciences (NAS) Crime, Law and Justice Committee and the World Economic Forum’s Committee Global Agenda Council on Terrorism. Much of his research is related to understanding criminal violence.

• 1. Criminology Theory and Terrorism: Introduction 2. Subcultural Theory Applied to Jihadi and Right-Wing Radicalization in Germany 3. A Situational Model of Displacement and Diffusion Following the Introduction of Airport Metal Detectors 4. Rational Choice Rewards and the Jihadist Suicide Bomber 5. Does Country-Level Social Disorganization Increase Terrorist Attacks? 6. The Battle for Baghdad: Testing Hypotheses About Insurgency From Risk Heterogeneity, Repeat Victimization, and Denial Policing Approaches 7. Laying a Foundation for the Criminological Examination of Right-Wing, Left-Wing, and Al Qaeda-Inspired Extremism in the United States 8. Examining Deterrence and Backlash Effects in Counter-Terrorism: The Case of ETA 9. Routine Activities and Right-Wing Extremists: An Empirical Comparison of the Victims of Ideologically- and Non-Ideologically- Motivated Homicides Committed by American Far-Rightists

Joshua D. Freilich is a member of the Criminal Justice Department, and the Criminal Justice PhD Program at John Jay College, CUNY, USA, the Creator and co-Director of the United States Extremist Crime Database (ECDB) study, an Executive Committee member of the National Consortium for the Study of Terrorism and Responses to Terrorism (START), and a member of the Global Terrorism Database's Advisory Board. His research focuses on the causes of and responses to terrorism; criminological theory, especially environmental criminology and crime prevention; and measurement issues. Gary LaFree is Director of the National Consortium for the Study of Terrorism and Responses to Terrorism (START), and Professor in the Department of Criminology and Criminal Justice at the University of Maryland, USA. He is a Fellow of the American Society of Criminology (ASC) and served as President of the ASC (2005-6). He also serves on the Executive Committee of the National Academy of Sciences (NAS) Crime, Law and Justice Committee and the World Economic Forum’s Committee Global Agenda Council on Terrorism. Much of his research is related to understanding criminal violence.

• 1. Criminology Theory and Terrorism: Introduction 2. Subcultural Theory Applied to Jihadi and Right-Wing Radicalization in Germany 3. A Situational Model of Displacement and Diffusion Following the Introduction of Airport Metal Detectors 4. Rational Choice Rewards and the Jihadist Suicide Bomber 5. Does Country-Level Social Disorganization Increase Terrorist Attacks? 6. The Battle for Baghdad: Testing Hypotheses About Insurgency From Risk Heterogeneity, Repeat Victimization, and Denial Policing Approaches 7. Laying a Foundation for the Criminological Examination of Right-Wing, Left-Wing, and Al Qaeda-Inspired Extremism in the United States 8. Examining Deterrence and Backlash Effects in Counter-Terrorism: The Case of ETA 9. Routine Activities and Right-Wing Extremists: An Empirical Comparison of the Victims of Ideologically- and Non-Ideologically- Motivated Homicides Committed by American Far-Rightists

Joshua D. Freilich is a member of the Criminal Justice Department, and the Criminal Justice PhD Program at John Jay College, CUNY, USA, the Creator and co-Director of the United States Extremist Crime Database (ECDB) study, an Executive Committee member of the National Consortium for the Study of Terrorism and Responses to Terrorism (START), and a member of the Global Terrorism Database's Advisory Board. His research focuses on the causes of and responses to terrorism; criminological theory, especially environmental criminology and crime prevention; and measurement issues. Gary LaFree is Director of the National Consortium for the Study of Terrorism and Responses to Terrorism (START), and Professor in the Department of Criminology and Criminal Justice at the University of Maryland, USA. He is a Fellow of the American Society of Criminology (ASC) and served as President of the ASC (2005-6). He also serves on the Executive Committee of the National Academy of Sciences (NAS) Crime, Law and Justice Committee and the World Economic Forum’s Committee Global Agenda Council on Terrorism. Much of his research is related to understanding criminal violence.

• 1. Criminology Theory and Terrorism: Introduction 2. Subcultural Theory Applied to Jihadi and Right-Wing Radicalization in Germany 3. A Situational Model of Displacement and Diffusion Following the Introduction of Airport Metal Detectors 4. Rational Choice Rewards and the Jihadist Suicide Bomber 5. Does Country-Level Social Disorganization Increase Terrorist Attacks? 6. The Battle for Baghdad: Testing Hypotheses About Insurgency From Risk Heterogeneity, Repeat Victimization, and Denial Policing Approaches 7. Laying a Foundation for the Criminological Examination of Right-Wing, Left-Wing, and Al Qaeda-Inspired Extremism in the United States 8. Examining Deterrence and Backlash Effects in Counter-Terrorism: The Case of ETA 9. Routine Activities and Right-Wing Extremists: An Empirical Comparison of the Victims of Ideologically- and Non-Ideologically- Motivated Homicides Committed by American Far-Rightists