A Department of Homeland Security Center of Excellence led by the University of Maryland

Left-wing Terrorism


Left-wing Terrorism

Project Title Investigators Project Period
Geospatial and Temporal Patterns of US Terrorism Brent Smith, Kelly Damphousse July, 2012 to December, 2017
Patterns of U.S. Extremist Crime Jeff Gruenewald, Joshua Freilich, Steven Chermak, William Parkin July, 2012 to December, 2017
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 March, 2009 to June, 2017
Empirical Assessment of Domestic Radicalization (EADR) Michael Jensen, Gary LaFree January, 2013 to December, 2016
Where the Extremes May Touch: The Potential for Collaboration Between Islamist, Right- and Left-Wing Extremists Gary Ackerman, Jeffrey Bale July, 2005 to September, 2009
Extremist Crime Database Related Projects Joshua Freilich, Steven Chermak
Project Title Publication Date START Authors Publication Type
Dilettantes, Ideologues, and the Weak: Terrorists Who Don't Kill January 2008 Rethemeyer, R. Karl; Asal, Victor Journal Article
Effects and Effectiveness of Law Enforcement Intelligence Measures to counter homegrown terrorism: a case study on the FALN July 2012 Belli, Roberta Report
Empirical Assessment of Domestic Radicalization (EADR) December 2016 LaFree, Gary; Tinsley, Herbert; Stevenson, John; Jensen, Michael; James, Patrick Report
Pedro Pablo Kuczynski and the Future of Peruvian Security June 2016 Koven, Barnett S. Journal Article
Peru Conflict Profile April 2015 Koven, Barnett S. Book Chapter
Profiles of Individual Radicalization in the United States: Preliminary Findings January 2014 Tinsley, Herbert; Jensen, Michael; James, Patrick Research Brief
Profiles of Individual Radicalization in the United States: An Empirical Assessment of Domestic Radicalization January 2014 Tinsley, Herbert; Jensen, Michael; James, Patrick Project Fact Sheet
Profiles of Radicalization in the United States September 2017 Safer-Lichtenstein, Aaron ; LaFree, Gary; Jensen, Michael; James, Patrick Research Brief
The Emerging Red-Green Alliance: Where Political Islam Meets the Radical Left March 2013 McCauley, Clark; Karagiannis, Emmanuel Journal Article
The Evolution of Peru’s Shining Path and the New Security Priorities in the Hemisphere February 2015 Koven, Barnett S. Book Chapter
The Perils of Simultaneous COIN and Counternarcotics in Peru and Colombia April 2014 Koven, Barnett S. Journal Article
The Potential for Collaboration Between Islamists and Western Left-Wing Extremists: A theoretical and Empirical Introduction October 2012 Ackerman, Gary; Bale, Jeffrey Journal Article
The Reemergence of the Shining Path February 2010 Koven, Barnett S. Journal Article
The Stasi-Meinhof Complex? June 2013 Vielhaber, David Journal Article
Update on Geospatial Patterns of Antecedent Behavior among Perpetrators in the American Terrorism Study (ATS) October 2013 Smith, Brent; Damphousse, Kelly; Roberts, Paxton
Image Title Job Title Institution
Photo of Barnett Koven Barnett S. Koven

Senior Researcher, START

Affiliated Scholar, The Jack D. Gordon Institute for Public Policy at Florida International University

University of Maryland
Clark McCauley Clark McCauley

Professor of Psychology

Bryn Mawr College
Emmanuel Karagiannis Emmanuel Karagiannis

Senior Lecturer of International Relations

King's College
Erica Chenoweth Erica Chenoweth

Associate Professor of International Studies

University of Denver
Laura Dugan Laura Dugan

Professor of Criminology and Criminal Justice

University of Maryland
Lyubov Mincheva

Associate Professor

University of Sofia, Bulgaria
Nil Satana

Visiting Faculty Member

University of Maryland
START Researcher Patrick James Patrick James

Project Manager/Researcher, START

University of Maryland
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