U.S. flag

An official website of the United States government, Department of Justice.

Al Qaeda

Terrorism Research Before and After 9/11

June 2011

The tragedy of 9/11 posed unprecedented challenges to forensic science, social science, and physical science and technology — the three bedrock sciences at NIJ. Recovering from the attack and preventing another one have became topmost priorities in the 10 years since the attack. As we approach the 10th anniversary, Gary LaFree discusses how that fateful day impacted social scientific priorities and the outcomes from those changes.

Empirical Assessment of Domestic Radicalization

February 2013

Interview with Gary Ackerman, Director for Special Projects, National Consortium for the Study of Terrorism and Responses to Terrorism, University of Maryland

Mr. Ackerman is conducting an empirical assessment of domestic radicalization, with an emphasis on the process of radicalization. In this interview, Ackerman explains how he is using large empirical analysis and small scale life study analysis to discover which factors might cause an individual to make the leap from illegal terrorist behavior to violent terrorist behavior.

Community Policing Strategies for Countering Violent Extremism

February 2013

February 2013
Interview with David Schanzer, J.D., Associate Professor, Duke University and Director, Triangle Center of Terrorism and Homeland Security

Mr. Schanzer discusses his study of community policing strategies for countering violent extremism. Schanzer points out that there is a wide variety of terrorist ideologies from religious, to environmental, to economic. He is hoping to discover if particular community policing strategies are more effective in countering certain types of terrorism and building resilience against extremism.