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A consortium of researchers dedicated to improving the understanding of the human causes and consequences of terrorism

Left-wing Terrorism

Title Investigators Project Period
A Comparative Study of Violent Extremism and Gangs Gary LaFree, Scott H. Decker, David C. Pyrooz -
A Multi-Level Approach to the Study of Violent Extremism Gary LaFree, Michael Jensen -
Country Reports on Terrorism - Statistical Annex Gary LaFree, Erin Miller -
Defense Advanced Research Projects Agency SIGMA+ Thomas Guarrieri, Marcus A. Boyd, Steve S. Sin, Ph.D. -
Empirical Assessment of Domestic Disengagement and Deradicalization (EAD3) Michael Jensen, Peter Simi, Gina Scott Ligon -
Empirical Assessment of Domestic Radicalization (EADR) Michael Jensen, Gary LaFree -
Extremist Crime Database Related Projects Joshua Freilich, Steven Chermak
Geospatial and Temporal Patterns of US Terrorism Brent Smith, Kelly Damphousse -
Global Terrorism Database (GTD) Erin Miller, Gary LaFree, Laura Dugan -
Global Terrorism Database (GTD) Acceleration Erin Miller -
Patterns of U.S. Extremist Crime Jeff Gruenewald, Joshua Freilich, Steven Chermak, William Parkin -
Radicalization in the Ranks Michael Jensen, Sheehan Kane -
Terrorism and Targeted Violence in the United States Erin Miller, Michael Jensen -
The Terrorism and Extremist Violence in the United States (TEVUS) Database Gary LaFree, Brent Smith, Joshua Freilich, Steven Chermak, Erin Miller, William Braniff, Kathleen Smarick -
Two to Tango: Government and Terrorist Group Actions in Colombia Barnett S. Koven -
Weapons Availability and Civil War Onset Barnett S. Koven -
Where the Extremes May Touch: The Potential for Collaboration Between Islamist, Right- and Left-Wing Extremists Gary Ackerman, Jeffrey Bale -
Project Title Publication Date Publication Type
“Give Peace a Chance”? Explaining Colombia’s (Failed) Peace Process with the FARC 2016-11-01T12:00:00 Discussion Point
A Comparison of Political Violence by Left-wing, Right-wing and Islamist Extremists in the United States and the World 2022-07-01T12:00:00 Journal Article
A Comprehensive Application of Rational Choice Theory: How Costs Imposed by, and Benefits Derived from, the U.S. Federal Government Affect Incidents Perpetrated by the Radical Eco-Movement 2019-08-01T12:00:00 Journal Article
Addressing the Myths of Terrorism in America 2019-03-01T12:00:00 Journal Article
Countering Domestic Terrorism: Examining the Evolving Threat 2019-09-01T12:00:00 Congressional Testimony
Dilettantes, Ideologues, and the Weak: Terrorists Who Don't Kill 2008-07-01T12:00:00 Journal Article
Discursive Turns and Critical Junctures: Debating Citizenship after the Charlie Hebdo Attacks 2020-06-01T12:00:00 Book
Discursive Turns and Critical Junctures: Debating Citizenship After the Charlie Hebdo Attacks 2020-05-01T12:00:00 Book
Domestic Violent Extremist Targeting of the U.S. Electrical Transmission Grid 2023-11-16T12:00:00 Report
Effects and Effectiveness of Law Enforcement Intelligence Measures to Counter Homegrown Terrorism: A Case Study on the Fuerzas Armadas de Liberación Nacional (FALN) 2012-07-01T12:00:00 START Reports
Empirical Assessment of Domestic Radicalization (EADR) 2016-12-01T12:00:00 START Reports
Examining Ideologically Motivated Cyberattacks Performed by Far-Left Groups 2019-01-01T12:00:00 Journal Article
Foreign Fighters in Ukraine: Assessing Potential Risks 2020-02-01T12:00:00 Report
Is Antifa a Terrorist Group? 2018-05-01T12:00:00 Journal Article
Motivations to Act for the Protection of Nature Biodiversity and the Environment: A Matter of “Significance” 2019-02-01T12:00:00 Journal Article
Pedro Pablo Kuczynski and the Future of Peruvian Security 2016-06-01T12:00:00 Journal Article
Peru Conflict Profile 2015-04-01T12:00:00 Book Chapter
Profiles of Individual Radicalization in the United States (PIRUS) 2020-05-01T12:00:00 Research Brief
Profiles of Individual Radicalization in the United States (PIRUS) 2023-03-09T12:00:00 Research Brief
Profiles of Individual Radicalization in the United States (PIRUS) 2018-10-01T12:00:00 Research Brief
Profiles of Individual Radicalization in the United States (PIRUS): Mass Casualty Extremist Offenders 2023-03-10T12:00:00 Research Brief
Profiles of Individual Radicalization in the United States: Preliminary Findings 2014-01-01T12:00:00 Research Brief
Profiles of Individual Radicalization in the United States: An Empirical Assessment of Domestic Radicalization 2014-01-01T12:00:00 Project Fact Sheet
Profiles of Radicalization in the United States 2017-09-01T12:00:00 Research Brief
Psychology and Morality of Political Extremists: Evidence from Twitter Language Analysis of Alt-right and Antifa 2019-05-01T12:00:00 Journal Article
Radicalization in the Ranks 2024-12-02T12:00:00 START Reports
Rebel with a Cause: Personal Significance from Political Activism Predicts Willingness to Self‐Sacrifice 2019-02-01T12:00:00 Journal Article
The Emerging Red-Green Alliance: Where Political Islam Meets the Radical Left 2013-03-01T12:00:00 Journal Article
The Evolution of Peru’s Shining Path and the New Security Priorities in the Hemisphere 2015-02-01T12:00:00 Book Chapter
The Perils of Simultaneous COIN and Counternarcotics in Peru and Colombia 2014-04-01T12:00:00 Journal Article
The Potential for Collaboration Between Islamists and Western Left-Wing Extremists: A theoretical and Empirical Introduction 2012-10-01T12:00:00 Journal Article
The Stasi-Meinhof Complex? 2013-06-01T12:00:00 Journal Article
The Utility of Narratives for Promoting Radicalization: The Case of the Animal Liberation Front 2015-01-01T12:00:00 Journal Article
Update on Geospatial Patterns of Antecedent Behavior among Perpetrators in the American Terrorism Study (ATS) 2013-10-01T12:00:00 START Reports
Violence in Peru 2018-04-01T12:00:00 Book Chapter
Title Job Title Institution
Koven Barnett S. Koven Data Science Manager, Deloitte Government & Public Services
McCauley_Clark Clark McCauley Professor of Psychology Bryn Mawr College
Miller Erin Erin Miller Former GTD Program Manager, START University of Maryland
Tinsley_Herbert Herbert Tinsley Analyst, Government Accountability Office
Joshua Freilich Joshua Freilich Professor John Jay College of Criminal Justice, City University of New York
Laura Dugan Laura Dugan Ralph Mershon Professor of Human Security and Professor of Sociology The Ohio State University