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American Terrorism Study, 1980-2002 (ICPSR 4639)

Released/updated on: 2007-07-30

Geographic coverage: United States

Time period: 1980-01-01--2002-08-01

This study was conducted in response to a lack of existing data collections relating specifically to acts of American terrorism. A primary goal of the study was to create an empirical database from which criminological theories and governmental policies could be effectively evaluated. The American Terrorism Study began in 1989 when the Federal Bureau of Investigation's (FBI) Terrorist Research and Analytical Center released a list of persons indicted as a result of investigation under the FBI's Counterterrorism Program. Since that time, FBI has released additional lists to the principal investigators. After receiving a list of persons indicted in federal criminal court as a result of an official terrorism investigation, the researchers reviewed the cases at either the federal district court where the cases were tried or at the federal regional records center where the cases were archived. The researchers divided the dataset into five distinct datasets. Part 1, Counts Data, provides data on every count for each indictee in each indictment. This is the basic dataset. There were 7,306 counts from 1980 to 2002. Part 2, Indictees Data, provides data on each of the 574 indictees from 1980-2002. Part 3, Persons Data, provides data on the 510 individuals who were indicted by the federal government as a result of a terrorism investigation. Part 4, Cases Data, provides one line of data for each of the 172 criminal terrorism cases that resulted from a federal terrorism investigation. Part 5, Group Data, provides one line of case data for each of the 85 groups that were tried in federal court for terrorism-related activity. Each of the five datasets includes information on approximately 80 variables divided into four major categories: (1) demographic information, (2) information about the terrorist group to which the individual belongs, (3) prosecution and defense data, and (4) count/case outcome and sentencing data.

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Assessment of Defense and Prosecutorial Strategies in Terrorism Trials in the United States, 1980-2004 (ICPSR 26241)

Released/updated on: 2014-11-11

Geographic coverage: United States

Time period: 1980-01-01--2004-01-01

This study created a flat-file database of information regarding defendants who were referred to United States Attorneys by the Federal Bureau of Investigation (FBI) following official terrorism investigations between 1980 and 2004. Its ultimate goal was to provide state and federal prosecutors with empirical information that could assist federal and state prosecutors with more effective strategies for prosecution of terrorism cases. The results of this study enhanced the existing 78 variables in the AMERICAN TERRORISM STUDY, 1980-2002 (ICPSR 4639) database by adding the 162 variables from the Prosecution and Defense Strategies (PADS) database. The variables in the PADS database track information regarding important pleadings, motions, and other key events that occur in federal terrorism trials; the PADS variables measure the strategies used by legal counsel as well as other legal nuances.

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A Behavioral Study of the Radicalization Trajectories of American "Homegrown" Al Qaeda-Inspired Terrorist Offenders, 2001-2015 [UNITED STATES] (ICPSR 36452)

Released/updated on: 2016-12-15

Geographic coverage: United States

Time period: 2001-01-01--2015-01-01

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

The study aimed to develop and empirically test a dynamic risk assessment model of radicalization process characteristics of homegrown terrorists inspired by Al Qaeda's ideology. The New York Police Department (NYPD) model developed by Mitchell D. Silber and Arvin Bhatt was chosen as the basis for creating a typology of overt and detectable indicators of individual behaviors widely thought to be associated with extremism. Specific behavioral cues associated with each stage of radicalization were coded and used to estimate the sequencing of behaviors and the duration of the average radicalization trajectory. Out of 331 homegrown American Jihadists (Group A), 135 were selected for further examination of their radicalization (Group B). Data were collected from public records ranging from social media postings by the offenders themselves to evidence introduced in the adjudication of the offenses for which the offenders were incarcerated. Life histories were compiled for Group B, whose detailed biographies were used to chart the timelines of their radicalization trajectories.

The collection includes an Excel file which contains one data table for Group A (10 variables, n=331) and two data tables for Group B (32 variables, n=135 and 5 variables, n=135, respectively). An accompanying codebook file details the variables in these tables. There is also a document with approximately 1 page narratives for each of the 135 individuals in Group B. A file containing a key indicating the names of the subjects is not available with this collection.

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Response to Terrorism by Local Prosecutors in 70 Large Jurisdictions in the United States, 2004 (ICPSR 20262)

Released/updated on: 2007-10-16

Geographic coverage: United States

Time period: 2001-09-01--2003-10-01

The American Prosecutors Research Institute (APRI) conducted an exploratory study to examine how prosecutors can best respond to terrorism in a post-September 11 legislative environment. Because the passage of anti-terrorism legislation at the state level has the potential to have an impact on local prosecutors, who are responsible for enforcing state laws, the American Prosecutors Research Institute (APRI) designed a survey to examine local prosecutors' involvement in homeland security and the ways in which their offices' organizational structure have changed to facilitate their involvement. Surveys were mailed or faxed to the 112 largest jurisdictions in the country. The survey instrument was divided into the following seven sections: (1) Background Information on the Jurisdiction, (2) Experience With State Legislation, (3) Organizational Changes, (4) Challenges Facing Local Prosecutors, (5) Methods Used to Overcome Challenges, (6) Coordination With Other Agencies, and (7) Training Needs. The survey questions focused on the legal framework and organizational structure in which local prosecutors operate.