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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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Longevity of American Terrorists: Factors Affecting Sustainability, [United States], 1980-2015 (ICPSR 37175)

Released/updated on: 2019-08-29

Geographic coverage: United States

Time period: 1980-01-01--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 if further information is needed.

This study examined the longevity of individual terrorists using data from the American Terrorism Study (ATS).

Using these data, researchers examined the longevity of individual terrorists in relationship to five major factors: 1) the possible effects of changes in the Attorney General's Guidelines for terrorism investigations; 2) the impact of ideology, which may indirectly affect longevity through perpetrator and incident characteristics; 3) lone actors versus group participation; 4) the extent of participation in preparatory activity; and 5) the sophistication of the incidents in which the person participated.

Previous ATS research funded through National Institute of Justice (NIJ) by focusing on individual terrorists, instead of terrorist groups.

The collection includes 1 SPSS data file: ICPSR_Data_File_Edit.sav (n=346; 15 variables).