TECHNOLOGY
Profiles of Individual Radicalization in the United States (PIRUS)

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Overview

PIRUS is a dataset of individuals in the United States who radicalized to the point of violent or non-violent ideologically motivated criminal activity, or ideologically motivated association with a foreign or domestic extremist organization from 1948 to 2013 (and two cases in 2014). The PIRUS dataset was coded using entirely open-source material, including newspaper articles, secondary datasets, peer-reviewed academic articles, journalistic accounts, police reports, and information credited to the individual being researched (verified personal websites, autobiographies, social media accounts). PIRUS contains dozens of variables containing information on a wide range of characteristics, including the individuals’ criminal activity and/or violent plots, their relationship with their affiliated extremist group(s), and factors relevant to their radicalization process. The dataset is not limited to a single ideological category, and includes individuals representing far right, far left, Islamist, and single-issue ideologies.

The dataset can be found at http://www.start.umd.edu/data-tools/profiles-individual-radicalization-u.... Please refer to the corresponding end-use license agreement for terms and conditions.

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