Terrorism Databases and Resources

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Project Title	Investigators	Project Period
Global Terrorism Database (GTD)	Erin Miller, Gary LaFree, Laura Dugan	June, 2001 to October, 2022
Developing Impact and Effectiveness Assessment Tool for Influence Operations	Steve Sin	January, 2021 to May, 2022
Radicalization in the Ranks	Michael Jensen, Sheehan Kane	April, 2021 to February, 2022
Terrorism and Targeted Violence in the United States	Erin Miller, Michael Jensen	September, 2020 to January, 2022
Insider Threat Program	Katy Lindquist, Devin Ellis, Steve Sin, Michael Jensen	September, 2020 to September, 2021
A Multi-Level Approach to the Study of Violent Extremism	Gary LaFree, Michael Jensen	January, 2018 to December, 2020
A Pathway Approach to the Study of Bias Crime Offenders	Michael Jensen, Gary LaFree	January, 2018 to October, 2020
Counterterrorism Net Assessment Data Structure (CT NEADS)	Barnett S. Koven	January, 2019 to January, 2020
Global Terrorism Database (GTD) Acceleration	Erin Miller	January, 2019 to January, 2020
Expand the Transnational Illicit Trafficking (TransIT) Database	Marcus A. Boyd	January, 2019 to December, 2019
Developing Academic Partnerships and Collaborative Research on Countering Violent Extremism in Malaysia and Southeast Asia	Amy Pate, Barnett S. Koven, William Braniff	September, 2018 to December, 2019
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 September, 2019
Program to Prepare Communities for Complex Coordinated Terrorist Attacks	Erin Miller	October, 2017 to August, 2019
The Arctic All-Hazards GIS Platform	Marcus A. Boyd	September, 2018 to June, 2019
Evaluating the Safe Spaces Community-Led CVE Program	William Braniff	October, 2018 to March, 2019
A Comparative Study of Violent Extremism and Gangs	Gary LaFree, Scott H. Decker, David C. Pyrooz	January, 2015 to March, 2019
Cargo Aviation Insider Threat Assessment Tool (CAITAT)	Thomas Guarrieri	September, 2016 to December, 2018
Empirical Assessment of Domestic Disengagement and Deradicalization (EAD3)	Michael Jensen, Peter Simi, Gina Scott Ligon	January, 2015 to December, 2018
Dissuading Adversaries and their Radiological/Nuclear Pathways: Integrating Deterrence Theory and Analytics in the Global Nuclear Detection Architecture (GNDA)	Amy Pate, Brandon Behlendorf, Gary Ackerman, John Sawyer, Steve Sin, Hamid Mohtadi, Marcus A. Boyd	October, 2013 to September, 2018
Two to Tango: Government and Terrorist Group Actions in Colombia	Barnett S. Koven	March, 2018 to June, 2018
Resources and Resilience: A Computational Model of Strategic Influence		January, 2018 to June, 2018
Open-Source Geospatial Analysis of Criminal Activity	Marcus A. Boyd	January, 2017 to June, 2018
Profiles of Incidents Involving CBRN and Non-state Actors (POICN) Database	Markus Binder	March, 2010 to June, 2018
Country Reports on Terrorism - Statistical Annex	Gary LaFree, Erin Miller	May, 2012 to May, 2018
Modeling Terrorism Onset and Intensity Dynamics Using the GTD	Claudio Cioffi-Revilla, Nina Fefferman	July, 2016 to December, 2017
Profiling the CB Adversary: Motivation, Psychology and Decision	Gary Ackerman	April, 2016 to December, 2017
Unifying Approaches to Adversarial Modeling	H. Brinton Milward, Ronald Breiger	July, 2015 to December, 2017
Patterns of U.S. Extremist Crime	Jeff Gruenewald, Joshua Freilich, Steven Chermak, William Parkin	July, 2012 to December, 2017
Social, Behavioral, Cultural, and Economic (SBCE) Impacts on Terrorist Activity	Gary LaFree, Laura Dugan, Erin Miller	July, 2012 to December, 2017
Empirical Assessment of Domestic Radicalization (EADR)	Michael Jensen, Gary LaFree	January, 2013 to December, 2016
Terrorist and Extremist Organizations (TEO) Database	Jonathan Wilkenfeld, R. Karl Rethemeyer	July, 2012 to December, 2016
Minorities at Risk Related Projects		June, 2005 to December, 2016
Countering Terrorism in the United States	Erica Chenoweth, Laura Dugan	July, 2012 to December, 2015
Anatomizing the Behavior of Chemical and Biological Non-State Adversaries	Gary Ackerman, Victor Asal	June, 2012 to May, 2014
Massive Online Open Course: Understanding Terrorism and the Terrorist Threat	Gary LaFree, William Braniff, Katherine Worboys Izsak	January, 2014 to March, 2014
New Analytical Methods for the Exploitation of Open-Source Structured Databases to Enhance Situational Awareness for Effective Counter-WMD Strategies	Ronald Breiger, Gary Ackerman, Victor Asal, H. Brinton Milward, R. Karl Rethemeyer	March, 2010 to March, 2014
Using Global Terrorism Data to Model Counterterrorism Policies in Sri Lanka	Gary LaFree, Sue-Ming Yang	July, 2010 to December, 2011
United States Extremist Crime Database (ECDB), 1990-2010	Joshua Freilich, Roberta Belli, Steven Chermak	June, 2008 to October, 2011
Measuring Intervention Success in Terrorist Activities	Brent Smith	September, 2008 to June, 2010
Predisposing Root Causes of Terrorism	Gary LaFree	June, 2005 to June, 2009
Distinctive Characteristics of Terrorist Groups	Gary LaFree, Laura Dugan	January, 2005 to June, 2009
Dynamics of Terror and Counterterrorism	Gary LaFree, Laura Dugan	January, 2005 to June, 2009
Creation of a Database of U.S. Extremist Crime, 1990-2005	Joshua Freilich, Steven Chermak	June, 2007 to January, 2009
Shifting Terrorism Trends Across Time and Space	Susan Cutter	June, 2005

Project Title	Publication Date	START Authors	Publication Type
2011 Research review	January 2011		Research Review
45 Years of Terrorism: Terrorist Attacks 1970-2015, Concentration and Intensity	July 2016	Kammerer, William	Map
A First Look at Domestic and International Global Terrorism Events, 1970-1997	May 2006	LaFree, Gary; Dugan, Laura	Conference Paper
A Study on a Sequential One‐Defender‐N‐Attacker Game	January 2019	Zhuang, Jun	Journal Article
A Three-Stage Evacuation Decision-Making and Behavior Model for the Onset of an Attack	June 2017	Zhuang, Jun	Journal Article
Al-Qa'ida - Related Terrorism: Violent Incidents and Foiled Plots	April 2013	Gruenewald, Jeff; Freilich, Joshua; Chermak, Steven; Parkin, William	Research Brief
Al-Qaeda's Propaganda Decoded: A Psycholinguistic System for Detecting Variations in Terrorism Ideology	May 2016	Kruglanski, Arie; Gelfand, Michele	Journal Article
Al-Shabaab Attack on Westgate Mall in Kenya	September 2013	Miller, Erin	Background Report
Aligning Research and CVE	February 2015	Weine, Stevan	Discussion Point
Alternative Scales of Extremism: The Relationship Between Scale and Predictive Measures of Extremism in the United States	January 2022	Boyd, Marcus A.; Henkin, Samuel D.	START Reports
American Deaths in Terrorist Attacks	October 2015	Miller, Erin; Jensen, Michael	Fact Sheet
American Deaths in Terrorist Attacks, 1995 - 2017	September 2018	Miller, Erin; Jensen, Michael	Project Fact Sheet
American Deaths in Terrorist Attacks, 1995-2015	September 2016	Miller, Erin; Jensen, Michael	Fact Sheet
American Deaths in Terrorist Attacks, 1995-2016	November 2017	Miller, Erin; Jensen, Michael	Research Brief
American Deaths in Terrorist Attacks, 1995-2019	October 2020	Miller, Erin	Research Brief
American Terrorism and Extremist Crime Data Sources and Selectivity Bias: An Investigation Focusing on Homicide Events Committed by Far Right Extremists	November 2011	Freilich, Joshua; Chermak, Steven	Journal Article
Armed Assault at Los Angeles International Airport (LAX)	November 2013	Miller, Erin	Fact Sheet
Autologistic Models for Benchmark Risk or Vulnerability Assessment of Urban Terrorism Outcomes	October 2017	Cutter, Susan	Journal Article
Be Careful What You Ask For: 10 Years at START	November 2015	LaFree, Gary	Discussion Point
Beyond al-Qa'ida	November 2012	Braniff, William	Discussion Point
Bringing Criminology into the Study of Terrorism	January 2017	LaFree, Gary; Freilich, Joshua	Book Chapter
Building a Global Terrorism Database	April 2006	LaFree, Gary; Dugan, Laura	Report
Characteristics and Targets of Mass Casualty Hate Crime Offenders	November 2020	Yates, Elizabeth; Jensen, Michael; Kane, Sheehan	Research Brief
Clustering Heterogeneous Semi-structured Social Science Datasets for Security Applications	July 2018	Leuprecht, Christian	Book Chapter
Collaborative Online International Learning: The Example of a Course in the Psychology of Terrorism in the United States and Iran	January 2009	Lemieux, Anthony	Journal Article
Commitment to Extremist Ideology: Using Factor Analysis to Move Beyond Binary Measures of Extremism	April 2016	Freilich, Joshua; Chermak, Steven	Journal Article
Community‐Level Indicators of Radicalization: A Data and Methods Task Force	February 2010	Fishman, Shira	START Reports
Comparison of Honor Killings to Anti-LGBTQ Homicides	January 2018	Freilich, Joshua; Chermak, Steven	Journal Article
Conceptualizing and Measuring Terrorism	April 2018	LaFree, Gary	Book Chapter
Constructing the Field of Terrorism	May 2019	Crenshaw, Martha	Book Chapter
Coping with Uncertainty in Adversarial Risk Analysis	January 2017	Bier, Vicki	Journal Article
Correlates of Violent Political Extremism in the United States	February 2018	Safer-Lichtenstein, Aaron ; LaFree, Gary; Jensen, Michael; James, Patrick	Journal Article
Countering Domestic Terrorism: Examining the Evolving Threat	September 2019	Braniff, William	Congressional Testimony
Countering Myths about Terrorism: Some Lessons Learned from the Global Terrorism Database	November 2011	LaFree, Gary	Book Chapter
Countering Terrorism: No Simple Solutions	January 2017	LaFree, Gary; Crenshaw, Martha	Book
Counterterrorism Net Assessment Data Structure	April 2020	Koven, Barnett S.; Lindquist, Katy; Erdemandi, Max	Project Fact Sheet
Country Reports on Terrorism 2013: Annex of Statistical Information	May 2014	Miller, Erin; LaFree, Gary	START Reports
County-level Correlates of Terrorism in the United States, 1990 to 2010	March 2013	LaFree, Gary	START Reports
Creating a Data Archive to Facilitate Research on Understanding and Responding to Terrorism	January 2007	Chermak, Steven	Book Chapter
Criminology, Terrorism, and Serendipity	June 2015	LaFree, Gary	Book Chapter
Cross-Classified Multilevel Models: An Application to the Criminal Case Processing of Indicted Terrorists	March 2012	Johnson, Brian	Journal Article
Days of Rage: Introducing the NAVCO 3.0 Dataset	April 2018	Chenoweth, Erica	Journal Article
Debates among Salafi Muslims about use of violence	May 2017	Beutel, Alejandro; Braniff, William	START Reports
Deterrence and Risk Preferences in Sequential Attacker–Defender Games with Continuous Efforts	March 2017	Zhuang, Jun	Journal Article
Development & Optimization of Machine Learning Algorithms & Models of Relevance to Large Databases & Homeland Security Counterterrorism Efforts at START	November 2016	Misra, Prabhakar	Presentation
Development and Optimization of Machine Learning Algorithms and Models of Relevance to START Databases	April 2016	Misra, Prabhakar	START Reports
Discussion Point: Embrace "Big Data," but don't ignore the human element in data coding	October 2013	Kennedy, Jonathan; Henne, Peter	Discussion Point
Discussion Point: The Benefits and Drawbacks of Methodological Advancements in Data Collection and Coding: Insights from the Global Terrorism Database (GTD)	November 2013	Jensen, Michael	Discussion Point
Distinguishing "Loner" Attacks from Other Domestic Extremist Violence	July 2013	Gruenewald, Jeffrey; Freilich, Joshua; Chermak, Steven	Journal Article
Driving-Forces Model on Individual Behavior in Scenarios Considering Moving Threat Agents	April 2017	Zhuang, Jun	Journal Article
Dynamic Forecasting Conditional Probability of Bombing Attacks Based on Time-Series and Intervention Analysis	August 2016	Zhuang, Jun	Journal Article
Empirical Assessment of Domestic Radicalization (EADR)	December 2016	LaFree, Gary; Tinsley, Herbert; Stevenson, John; Jensen, Michael; James, Patrick	START Reports
Ethical Conduct of Research in the Aftermath of Mass Shootings	January 2017	Pfefferbaum, Betty	Book Chapter
Extremist Violence from the Fatherland to the Homeland: A Comparison of Far-right Homicide in Germany and the United States	April 2017	Gruenewald, Jeff; Parkin, William	Journal Article
Fact Sheet: Global Terrorism in 2018	October 2019	Miller, Erin	Fact Sheet
Federal Funding for Health Security in FY2016	June 2015	Sell, Tara	Journal Article
Financial Crime and Material Support Schemes Linked to al-Qa'ida and Affiliated Movements (AQAM) in the United States: 1990 to June 2014	November 2014	Sullivan, Brandon; Freilich, Joshua; Chermak, Steven	START Reports
Financial Crime and Material Support Schemes Linked to al-Qa'ida and Affiliated Movements (AQAM) in the United States: 1990 to June 2014	December 2014	Sullivan, Brandon; Freilich, Joshua; Chermak, Steven	Research Brief
Financial Crimes Perpetrated by Far-Right Extremists in the United States: 1990-2013	June 2015	Sullivan, Brandon; Gruenewald, Jeff; Freilich, Joshua; Chermak, Steven; Parkin, William	Research Brief
From Extremist to Terrorist: Identifying the Characteristics of Communities Where Perpetrators Live and Pre-Incident Activity Occurs	April 2013	Smith, Brent; Damphousse, Kelly; Fitzpatrick, Kevin; Roberts, Paxton	START Reports
From Factors to Actors: Enhancing the Reliability of CBRN Analysis	April 2016	Ackerman, Gary; Pinson, Lauren; Breiger, Ronald	Journal Article
Generating Terrorism Event Databases: Results from the Global Terrorism Database, 1970 to 2008	November 2011	LaFree, Gary	Book Chapter
Geographical Approaches in the Study of Terrorism	May 2019	Young, Joseph	Book Chapter
Geospatial Analysis of Terror Finance	December 2017	Boyd, Marcus A.	Research Brief
Geospatial Patterns of Precurrsor Behavior among Terrorists	June 2011	Smith, Brent; Damphousse, Kelly; Fitzpatrick, Kevin; Roberts, Paxton	START Reports
Global Terrorism and the Deadliest Groups since 2001	June 2016	LaFree, Gary; Dugan, Laura	Book Chapter
Global Terrorism in 2017	August 2018	Miller, Erin	Background Report
Global Terrorism in 2018	October 2019	Miller, Erin	Background Report
Global Terrorism Overview: Terrorism in 2019	July 2020	Miller, Erin	Background Report
Heat Map: Global Terrorism Database, Terrorist Attacks 2012, Concentation and Intensity	June 2013	Kammerer, William	Map
Heat Map: Global Terrorism Database, Terrorist Attacks 2013, Concentation and Intensity	June 2014	Kammerer, William	Map
Heat Map: Global Terrorism Database, Terrorist Attacks 2014, Concentation and Intensity	June 2015	Kammerer, William	Map
Heat Map: Global Terrorism Database, Terrorist Attacks 2015, Concentation and Intensity	June 2016	Kammerer, William	Map
Heat Map: Global Terrorism Database, Terrorist Attacks 2016, Concentation and Intensity	July 2017	Kammerer, William	Map
Heat Map: Global Terrorism Database, Terrorist Attacks 2017, Concentation and Intensity	August 2018	Kammerer, William	Map
Homegrown Terrorism in the United States	January 2014	Freilich, Joshua; Belli, Roberta; Chermak, Steven	Journal Article
Hot Spots of Terrorism and Other Crimes in the United States,1970 to 2008	January 2012	LaFree, Gary	START Reports
How Does Studying Terrorism Compare to Studying Crime?	January 2004	LaFree, Gary; Dugan, Laura	Book Chapter
How Has Criminology Contributed to the Study of Terrorism since 9/11?	September 2015	LaFree, Gary; Dugan, Laura	Journal Article
How the Replication Debate Applies to Terrorism Studies	December 2013	James, Patrick; Henne, Peter	Op-ed
Identifying Cross-National Global Terrorist Hot Spots	November 2005	LaFree, Gary; Dugan, Laura	Book Chapter
Ideological Motivations of Terrorism in the United States, 1970-2016	November 2017	Miller, Erin	Background Report
Innovative Algorithm and Database Development Relevant to Counterterrorism and Homeland Security Efforts at START	August 2014	Misra, Prabhakar	START Reports
Integrated United States Security Database (IUSSD): Data on the Terrorist Attacks in the United States Homeland, 1970 to 2011	December 2012	Miller, Erin; LaFree, Gary; Dugan, Laura	START Reports
Integrating Conflict Event Data	June 2018	Cunningham, David E.	Journal Article
Introducing Government Actions in Terror Environments (GATE) Dataset	December 2015	Chenoweth, Erica; Dugan, Laura	Conference Paper
Introducing Terrorist Archetypes: Using Terrorist Objectives and Behavior to Predict New, Complex, and Changing Threats	December 2016	Zhuang, Jun	Journal Article
Introducing the AMAR (All Minorities at Risk) Data	August 2017	Birnir, Johanna; Wilkenfeld, Jonathan; Gurr, Ted Robert	Journal Article
Introducing the Global Terrorism Database	May 2007	LaFree, Gary; Dugan, Laura	Journal Article
Introducing the Nonviolent Action in Violent Contexts (NVAVC) dataset	January 2019	Chenoweth, Erica	Journal Article
Introducing the United States Extremist Crime Database (ECDB)	January 2014	Gruenewald, Jeff; Freilich, Joshua; Belli, Roberta; Chermak, Steven; Parkin, William	Journal Article
Introductions to Adversary Behavior: Validating the Models	April 2016	Zhuang, Jun; Bier, Vicki	Journal Article
Is This Terrorism? / Why Does It Matter?	February 2016	Miller, Erin	Discussion Point
ISIL in Libya: A Bayesian Approach to Mapping At-Risk Regions	March 2016		Discussion Point
IUSSD: Data on the Terrorist Attacks in the United States Homeland 1970-2011	November 2012	Miller, Erin; LaFree, Gary; Dugan, Laura	START Reports
Jihadist Terrorist Plots in the United States	December 2017	Dahl, Erik; Wilson, Margaret; Crenshaw, Martha	Research Brief
L.E.A.D.I.R. Key Findings	April 2020	Ligon, Gina Scott	Research Brief
Lone-Offender Terrorists	July 2013	LaFree, Gary	Journal Article
Mass Casualty Explosives Attacks in Iraq and Afghanistan	June 2017	Miller, Erin; Distler, Michael	Background Report
Mass-Fatality, Coordinated Attacks Worldwide, and Terrorism in France	November 2015	Miller, Erin	Background Report
Measurement Issues in the Study of Terrorism: Introducing the Special Issue	April 2016	LaFree, Gary; Freilich, Joshua	Journal Article
Measuring al-Qaeda: The Metrics of Terror	June 2012	Singh, Rashmi	Book Chapter
Measuring Political Mobilization: The Distinction between Activism and Radicalism	April 2009	McCauley, Clark; Moskalenko, Sophia	Journal Article
Mismeasuring Militias: Limitations of Advocacy Group Data and of State-Level Studies of Paramilitary Groups	March 2006	Freilich, Joshua	Journal Article
Modeling a Multi-target Attacker-defender Game with Multiple Attack Types	May 2019	Zhuang, Jun	Journal Article
Modeling Multi-target Defender-attacker Games with Quantal Response Attack Strategies	January 2021	Zhuang, Jun	Journal Article
MOOC: Understanding Terrorism and the Terrorist Threat 2015	October 2014		Project Fact Sheet
Motivations and Characteristics of Hate Crime Offenders	October 2020	Yates, Elizabeth; Jensen, Michael; Kane, Sheehan	Research Brief
Opportunity, Group Structure, Temporal Patterns, and Successful Outcomes of Far-Right Terrorism Incidents in the United States	June 2016	Smith, Brent; Gruenewald, Jeff	Journal Article
Overview: Profiles of Individual Radicalization in the United States-Foreign Fighters (PIRUS-FF)	April 2016	Tinsley, Herbert; Jensen, Michael; James, Patrick	Research Brief
Overview: Terrorism in 2014	August 2015	Miller, Erin	Background Report
Overview: Terrorism in 2016	August 2017	Miller, Erin	Background Report
Panel Effects: Do the Reports of Panel Respondents Get Better or Worse over Time?	December 2018	Tourangeau, Roger; Presser, Stanley	Journal Article
Patterns of Islamic State-Related Terrorism, 2002--2015	August 2016	Miller, Erin	Background Report
Patterns of Lone Actor Terrorism in the United States: Research Brief	October 2014	Smith, Brent; Gruenewald, Jeff; Roberts, Paxton	Research Brief
Patterns of Onset and Decline Among Terrorist Organizations	March 2012	Miller, Erin	Journal Article
Pick Your POICN: Introducing the Profiles of Incidents involving CBRN and Non-State Actors (POICN) Database	March 2019	Ackerman, Gary; Binder, Markus	Journal Article
Pre-Radicalization Criminal Activity of United States Extremists	January 2018	Safer-Lichtenstein, Aaron ; LaFree, Gary; Jensen, Michael; James, Patrick	Research Brief
Profiles of Individual Radicalization in the United States-Foreign Fighters: Infographics	October 2017	Jensen, Michael; James, Patrick	Research Brief
Profiles of Individual Radicalization in the United States: Preliminary Findings (Oct. 2015)	October 2015	Jensen, Michael	Research Brief
Profiles of Individual Radicalization in the United States—Desistance, Disengagement, and Deradicalization (PIRUS-D3)	July 2019	Yates, Elizabeth; Jensen, Michael; James, Patrick	Research Brief
Profiles of Perpetrators of Terrorism in the United States (PPT‐US): Data Collection and Descriptive Analysis	September 2011	Miller, Erin; Smarick, Kathleen	START Reports
Profiles of Perpetrators of Terrorism in the United States: Research Highlight	July 2014	Miller, Erin; Smarick, Kathleen	Research Brief
Project Fact Sheet: Terrorism and Extremist Violence in the U.S. Database and Portal	May 2014	LaFree, Gary; Braniff, William	Project Fact Sheet
Putting Terrorism in Context: Lessons from the Global Terrorism Database (Contemporary Terrorism Studies)	January 2015	Miller, Erin; LaFree, Gary; Dugan, Laura	Book
QAnon Crimes in the United States: A Comprehensive Dataset Codebook	September 2021	Jensen, Michael	START Reports
Radicalization in the Ranks	April 2022	Yates, Elizabeth; Jensen, Michael; Kane, Sheehan	START Reports
Radiological/Nuclear Detection Capability Development Framework Mapping Tool	March 2016	Boyd, Marcus; Sin, Steve	Project Fact Sheet
Religion, Government Coalitions, and Terrorism	February 2013	Birnir, Johanna; Satana, Nil	Journal Article
Reporting Practices of Journal Articles that Include Interviews with Extremists	April 2016	Ligon, Gina Scott; Simi, Peter	Journal Article
Research Highlight: Identifying the Characteristics of Communities Where Perpetrators Live and Pre-Incident Activity Occurs	May 2013	Smith, Brent; Damphousse, Kelly; Fitzpatrick, Kevin; Roberts, Paxton	Research Brief
Research on Terrorism and Countering Terrorism	November 2008	LaFree, Gary; Dugan, Laura	Book Chapter
Research Review 2009	August 2009	Ackerman, Gary	Research Review
Researching Terrorist Networks	April 2006	Rethemeyer, R. Karl; Asal, Victor	Journal Article
Sociological and Criminological Explanations of Terrorism	May 2019	Dugan, Laura	Book Chapter
Spatial Analysis of U.S. Terrorism Incidents	November 2017	Smith, Brent	Research Brief
Speaking Truth to Sources: Introducing a Method for the Quantitative Evaluation of Open Sources in Event Data	April 2016	Ackerman, Gary; Pinson, Lauren	Journal Article
Stochastic Opponent Modeling Agents: A Case Study with Hezbollah	April 2008	Pate, Amy; Wilkenfeld, Jonathan; Michael, Mary	Conference Paper
Studying Terrorism Empirically: What We Know About What We Don’t Know	March 2017	Safer-Lichtenstein, Aaron ; LaFree, Gary	Journal Article
Suspicious Preoperational Activities and Law Enforcement Interdiction of Terrorist Plots	November 2018	Smith, Brent; Gruenewald, Jeff	Journal Article
Taxonomy Expansion and the Global Terrorism Database: Effectively Leveraging Academic Data Collection Initiatives	July 2021	Miller, Erin	Report
Terrorism	January 2016	Dugan, Laura	Book Chapter
Terrorism in Mali	November 2015	Miller, Erin	Fact Sheet
Terrorism in the News: The Efficiency and Impact of Sampling Methods on Data Collection and Content Analysis	April 2016	Parkin, William	Journal Article
Terrorism Open Source Databases	March 2022	LaFree, Gary	Book Chapter
Terrorism Studies: A Reader	November 2010	Braddock, Kurt	Book
Terrorist and Non-Terrorist Criminal Attacks by Radical Environmental and Animal Rights Groups in the United States, 1970–2007	March 2012	LaFree, Gary; Dugan, Laura	Journal Article
Terrorist Attacks in the U.S. between 1970 and 2012: Data from the Global Terrorism Database (GTD)	January 2014	Miller, Erin	Research Brief
Terrorist Attacks in the U.S. between 1970 and 2013: Data from the Global Terrorism Database (GTD)	November 2014	Miller, Erin	Research Brief
Terrorist Attacks on Educational Institutions	December 2014	Miller, Erin	Background Report
The Canadian Way of Counterterrorism: Introducing the GATE-Canada Data Set	May 2016	Chenoweth, Erica; Dugan, Laura	Journal Article
The Empirical Study of Terrorism: Social and Legal Research	August 2009	Ackerman, Gary; LaFree, Gary	Journal Article
The Evolution of Terrorism Event Databases	May 2019	LaFree, Gary	Book Chapter
The Future is a Moving Target: Predicting Political Instability	February 2019	Chenoweth, Erica	Journal Article
The Global Terrorism Database, 1970–2010	January 2013	LaFree, Gary; Dugan, Laura	Book Chapter
The Interplay between Terrorism, Nonstate Actors, and Weapons of Mass Destruction: An Exploration of the Pinkerton Database	March 2005	LaFree, Gary; Dugan, Laura	Journal Article
The Nature of the Beast: Organizational Structures and the Lethality of Terrorist Attacks	April 2008	Rethemeyer, R. Karl; Asal, Victor	Journal Article
The Rise and Fall of Terrorism	May 2019	Miller, Erin	Book Chapter
The Role of Risk Preferences in a Multi-Target Defender-Attacker Resource Allocation Game	August 2017	Zhuang, Jun	Journal Article
The True Meaning of Terrorism and Response to Terrorism	November 2017	Zhuang, Jun	Journal Article
The Use of Social Media by United States Extremists	July 2018	Safer-Lichtenstein, Aaron ; Yates, Elizabeth; LaFree, Gary; Jensen, Michael; James, Patrick	Research Brief
Threat and Hazard Identification and Risk Assessment (THIRA) Process: Assessing RN Threat Inclusion	March 2016	Spalding, Sarah; Sin, Steve; Sell, Tara Kirk	Research Brief
Towards a Definition of Terrorist Ideology	April 2019	Ackerman, Gary	Journal Article
Tracking Global Terrorism, 1970-2004	November 2008	LaFree, Gary; Dugan, Laura	Book Chapter
Transnational Illicit Trafficking (TransIT) Geospatial Tool	March 2016	Boyd, Marcus A.; Sin, Steve	Project Fact Sheet
U.S. Attitudes toward Terrorism and Counterterrorism	March 2013	Adamczyk, Amy; LaFree, Gary; Tourangeau, Roger; Presser, Stanley	START Reports
Unpacking nonviolent campaigns : Introducing the NAVCO 2.0 dataset	May 2013	Chenoweth, Erica	Journal Article
Update on Geospatial Patterns of Precurrsor Behavior among Terrorists	October 2012	Smith, Brent; Damphousse, Kelly; Roberts, Paxton	START Reports
Use of Firearms in Terrorist Attacks in the United States 1970-2014	July 2015	Miller, Erin	Background Report
Using Google and Twitter to Measure, Validate and Understand Views about Religion across Africa	June 2019	Adamczyk, Amy; LaFree, Gary	Journal Article
Using open source data to track worldwide terrorism patterns	July 2017	LaFree, Gary	Book Chapter
Veto Players and Terror	November 2010	Young, Joseph; Dugan, Laura	Journal Article
Violent Hate Crime Offenders	October 2020	Yates, Elizabeth; Jensen, Michael; Kane, Sheehan	Research Brief
What Is the State of the Quantitative Literature on Risk Factors for Radicalization and Recruitment to Terrorism?	June 2020	Weisburd, David	Book Chapter
When Politicians Sell Drugs: Examining Why Middle East Ethnopolitical Organizations Are Involved in the Drug Trade	March 2012	Deloughery, Kathleen; Asal, Victor	Journal Article
When terrorists target schools: An exploratory analysis of attacks on educational institutions	June 2013	Wilson, Margaret	Journal Article

Title	Byline
Unconventional Weapons and Technology (UWT) researchers present at 79th Midwest Political Science Association Conference
Unconventional Weapons and Technology team present research on influence operations at Laboratory for Analytic Sciences symposium	Erin Copland
START produces new data tool exploring crimes committed by U.S. QAnon offenders
START researchers participate in Global Internet Forum to Counter Terrorism (GIFCT) Global Summit	Erin Copland
UWT director speaks about influence operations for Laboratory for Analytic Sciences podcast	Erin Copland
START launches new master’s degree program in security and terrorism studies	Erin Copland
START resumes Global Terrorism Database collection; 1970 - 2019 data file now available to researchers	Karina Panyan
START domestic radicalization data replicated by Australian research team	Erin Copland
Hate crime is a national security issue	William Braniff
New analysis of hate crime in America: Mass casualty hate crime offenders	Jessica Rivinius
New research reveals tremendous diversity in hate crime offenders’ backgrounds and motivations	Jessica Rivinius
START and CHC Global to speak at IFTRIP LIVESTREAM 2020	Erin Copland
Global Terrorism Overview: Terrorism in 2019	Jessica Rivinius
New GTD data will be explored during July 9 webinar	Jessica Rivinius
Formalization within a terrorist group increases capacity for lethal violence	Monica Pizzo
GTD informs Global Terrorism Index	Jessica Rivinius
Global terrorism decreases in 2018 as recent uptick in U.S. terrorist attacks was sustained	Jessica Rivinius
New data shows risk of recidivism is high among extremists, highlights barriers and enablers
German FFO funds GTD	Jessica Rivinius
Terrorist violence decreases worldwide in 2017, but remains historically high	Jessica Stark Rivinius
GTD nominated for UMD's Invention of the Year	Tiffany Hobson
Pre-radicalization criminal activity is strongest predictor of post-radicalization violent extremism	Jessica Rivinius
Fact Sheet: American Deaths in Terrorist Attacks, 1995-2016
Proportion of terrorist attacks by religious and right-wing extremists on the rise in United States	Jessica Stark Rivinius
Terrorist attack deaths increase in Iraq, the West, despite decrease worldwide	Jessica Rivinius
START launches new training course on understanding and preventing radicalization to violence and violent extremism	Jessica Rivinius
Profiles of Individual Radicalization in the United States (PIRUS) data now available	Beth Schwartz
Terrorism in Belgium and Western Europe; Attacks against Transportation Targets; Coordinated Terrorist Attacks
Is This Terrorism? / Why Does It Matter?	Erin Miller
Terrorist attacks involving firearms more likely to be lethal than other types of attacks
2014 GTD data available now	Jessica Rivinius
DHS grant enables further work using physics to understand terrorist threats	Jessica Rivinius
Majority of 2013 terrorist attacks occurred in just a few countries	Jessica Rivinius
New brief analyzes terrorist groups in the United States
START launches infographic series with War on the Rocks
START provides 2013 statistical annex for Country Reports on Terrorism	Erin Miller, Travis Rudd
Discussion Point: Kansas City shootings constitute terrorism	Michael Jensen
A closer look at the 2,600 terrorist attacks in US, 1970-2012
Research, data and expertise access made easy on new START website	Mary Beck, Jessica Rivinius
Despite fewer attacks in Western world, global terrorism increasing
START Newsletter: Global terrorism increasing; GTD 2012 dataset released; New cyber research
Discussion Point: The Benefits and Drawbacks of Methodological Advancements in Data Collection and Coding: Insights from the Global Terrorism Database (GTD)	Michael Jensen
Researcher Spotlight: Dr. Jun Zhuang	Keri Enriquez
START student aspires to serve her country	Keri Enriquez
FTO Designation: Boko Haram and Ansaru
JOB OPPORTUNITY: Junior Researcher, Global Terrorism Database
Discussion Point: Embrace "Big Data," but don't ignore the human element in data coding	Peter S. Henne, Jonathan Kennedy
START seeking 2014 Outstanding Article Award nominations	Jessica Rivinius
JOB OPPORTUNITY: Data Collection Manager
JOB OPPORTUNITY: Junior Radicalization Researcher
START Symposium showcases impactful research, datasets	Mary Beck, Jessica Rivinius
Researcher Spotlight: Jeff Gruenewald	Keri Enriquez
Discussion Point: It's not Big Data, but Little Data, that Prevents Terrorist Attacks	Erik Dahl
New study examines terrorism in Indonesia, the Philippines and Thailand	Emily Smith
Gary LaFree in 'The Five Myths of Global Terrorism' video for the World Economic Forum
Researcher Spotlight: Daniella Fridl
START provides statistical annex for Country Reports on Terrorism
Assessing the likelihood of Hate Crime in wake of Boston Attacks
Research Highlight: Al-Qa'ida-Related Terrorism - Violent Incidents and Foiled Plots
Secretary Janet Napolitano visits START	Andres Feijoo
New report examines relationship between county characteristics and incidents of terrorism
GTD project shapes career goal for START intern	J.R. Taylor
START website proves critical resource for scholars, government
START researchers present work on transnational criminal organizations, terrorism and radiological/nuclear (RN) smuggling
DHS renews support for the Integrated U.S. Security Database (IUSSD)	Andres Feijoo
Intern Spotlight: Rick Magill	Catherine Llamido
Database Spotlight: Update on Profiles of Perpetrators of Terrorism in the US	Samantha Goldman, J.R. Taylor
Trends in terrorism in the U.S.: New report analyzes terrorist attack data 1970-2011
Discussion Point: The Dog that Doesn't Bark	Victor Asal
Border Crossings and Terrorist Attacks in the US
Discussion Point: Black Swans and Burstiness—Countering Myths about Terrorism	Gary LaFree
Database Spotlight: Police Response to Terrorism - Lessons from the Israeli Police	Catherine Llamido
First-of-its-kind index ranks countries for impact of terrorism
Terrorists act locally
Research Roundtable details the patterns of terrorism worldwide	Emily Bonta
START honors International GIS Day teaching about Mali conflict
State Department contracts START to provide terrorism data and analysis
START receives DHS Spirit of Excellence Award
Database Spotlight: Government Actions in a Terror Environment-Israel
Discussion Point: Terrorism Studies is not a Sub-Discipline	Fernando Reinares
New database provides insights into terrorism countermeasures	Catherine Llamido
START director addresses common myths of terrorism	Emily Bonta
Researcher Spotlight: Nil Satana	Catherine Llamido
New data reveals al-Qaida-linked groups among most active terrorist groups in the world
New journal is a resource for Global Terrorism Research	Sarah May
John Cohen's keynote address at START Annual Meeting	Catherine Llamido
START Annual Meeting focuses on maximizing relevance of research	Jessica Rivinius
START director to lecture on contrasting nature of terrorism	Emily Bonta
Database Spotlight: Minorities at Risk Organizational Behavior (MAROB)	Sacha Ginsberg
Now Recruiting Spring 2013 Background Report Internships
Database Spotlight: Radiological and Nuclear Non-State Adversaries (RANNSAD)	Emily Bonta
Far-right Violence in the United States: 1990-2010
LaFree speaks at National Institute of Justice conference	Emily Bonta
Olympics and Terrorism
Response to mischaracterization of the Hot Spots Report
START research examines history of terrorism and the Olympic Games	Emily Bonta
START interns prepare for capstone presentations	Mary Beck
START Intern Profiles: July
START interns gain unique experience with State Department	Mary Beck
Database spotlight: Big Allied and Dangerous (BAAD)	Emily Bonta
START advises Indian Home Secretary R.K. Singh	Mary Beck
START workshop gives better understanding of CBRN technologies	Emily Bonta
START welcomes visiting scholar	Claire Simon
Database spotlight: Profiles of Perpetrators of Terrorism in the United States (PPT-US)	Samantha Goldman
START to begin monthly series highlighting Dataverse data collections
Al-Qaida's fatal terrorism under Osama bin Laden
START's website proves valuable, well-used resource
LaFree recognized as field leader by American Society of Criminology	Samantha Goldman
START, Centers of Excellence leaders visit Capitol Hill
Earn a graduate certificate through START
Researcher spotlight: Brandon Behlendorf	Kelly Kline
START research informs Senate report on Chesser
Top-ranked criminology journal features START research	Jessica Rivinius
START interns get vital career preparation	Samantha Goldman
JOB OPPORTUNITY: Senior Research Associate
Urban U.S. counties hot spots of terror, but rural areas are not exempt	Jessica Rivinius
New research examines financial crime and political extremism
Seeing Sydney: Katharine Sobotka and her study abroad experience	Claire Simon
DHS renews support for START terrorism research for next five years
Violent extremism in the U.S.
START researchers brief Swedish delegation
Fahey discusses political instability, state capacity and terrorism
START Director Gary LaFree Comments on Terrorism Research Before and After 9/11
Fall Internship Opportunities: Counter Measures against Extremism and Terrorism (CoMET) Database
START releases new data collections
New START Project to Focus on Extremist Violence in U.S. Counties
Spring 2011 START Bulletin Now Available
Position Opening: Special Projects Program Manager
2011-2012 Background Report Undergraduate Terrorism Analysis Training (UTAT) Program Application Deadline Extended
Summer and Fall Internship Opportunities with START and the GTD
Summer 2011 Research Opportunities: CoMET
START Releases 2010 Update to the Global Terrorism Database
START Director Gary LaFree in Perspectives on Terrorism -- Free Online Access
Internships at START Available for Spring 2010
GTD Data Now Downloadable
Now Hiring: Global Terrorism Database Research Assistant
New, Updated Data on Global Terrorist Activity Now Available
*Terrorist Attacks on Religious Figures, Religious Institutions, and Military Targets*
Background Information on Terrorism in India
START Bulletin Summer 2008 Inaugural Issue
Terrorist Organization Profile Information now Available through START
START Center Earns Background Report-Year Renewal from DHS
Global Terrorism Database Data Files Now Available through Terrorism and Preparedness Data Resource Center
New Report Highlights the Challenges of Tracking Terrorism Events: GTD Indicates Global Terrorism Fatalities Up, Not Down
START Featured in DHS S&T Snapshots
Justice Research and Statistics Association Features a Profile of START
START Director LaFree and GTD Featured in Government Executive
START Partners with ICPSR to Launch Terrorism & Preparedness Data Resource Center
Government Executive Magazine Spotlights the Work of START
"Peace and Conflict" Features Research from START Investigators
START Director LaFree Discusses Terrorist Behavior on Kojo Nnamdi Show
Global Terrorism Database now Available Online
START Researchers Honored with Best Paper Award by IEEE
DHS Under Secretary for Science and Technology, Dr. Charles E. McQueary, speaks to START
START Announces Fellowships for 2005-06
START Hosts DHS Faculty/Student Research Teams

Title	Job Title	Institution
Aaron Safer-Lichtenstein	Former Researcher: Global Terrorism Database (GTD)
Amy Pate	START Executive Director and Research Director	University of Maryland
Barnett S. Koven	Data Science Manager, Deloitte Government & Public Services
Benjamin Evans	Faculty Research Assistant, Global Terrorism Database, START	University of Maryland
Bo Jiang	Graduate Research Assistant, START	University of Maryland
Brandon Behlendorf	Assistant Professor, College of Emergency Preparedness, Homeland Security and Cybersecurity, SUNY Albany	University at Albany, State University of New York
Brian Wingenroth	Research Software Architect, START	University of Maryland
Bryan Arva	Former Researcher: Global Terrorism Database (GTD)
Elena Akers	Researcher/Junior Data Collection Manager, START	University of Maryland
Erin Miller	GTD Program Manager, START	University of Maryland
Gary LaFree	Founding Director, START; Chair, Department of Criminology and Criminal Justice	University of Maryland
Jacob Loewner	Researcher, START	University of Maryland
Jeff Gruenewald	Associate Professor and Director of the Terrorism Research Center, University of Arkansas	University of Arkansas
John Sawyer	Director of Strategic Corporate Research Relationships	University of Maryland
Joseph Oudin	Data Collection Manager Global Terrorism Database (GTD) Researcher, START	University of Maryland
Katy Lindquist	Principal Research Scientist, NSI Inc.
Laura Dugan	Ralph Mershon Professor of Human Security and Professor of Sociology	The Ohio State University
Marcus A. Boyd	Geospatial Research Unit (GRU) Director, START Director of Graduate Studies, START	University of Maryland
Michael Jensen	Senior Researcher, START	University of Maryland
Oleksiy Krylyuk	Researcher, GTD	University of Maryland
Prabhakar Misra	Professor of Physics	Howard University
R. Karl Rethemeyer	Associate Professor of Public Administration & Policy	University at Albany, State University of New York
Thomas Guarrieri	Director of Undergraduate Studies Assistant Research Scientist, Unconventional Weapons & Technology (UWT) Division, START	University of Maryland
Tyler A. Clark	Data Scientist, Doctoral Student	University of Maryland
Victor Asal	Associate Professor of Political Science and Chair of Public Administration	University at Albany, State University of New York