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Complete information on the Empirical Assessment of Domestic Radicalization (EADR) project, which yielded PIRUS, can be found on the EADR project page. That project's final report, which includes additional information about PIRUS, and findings from START’s analysis of the data, is available here: Empirical Assessment of Domestic Radicalization (EADR) Final Report.

A complete list of PIRUS reports is below.

• Profiles of Radicalization in the United States 2020 (Research Brief)

• Contextualizing Disengagement: How Exit Barriers Shape the Pathways Out of Far-Right Extremism in the United States 2020 (Journal Article)

• Who is more violent in extremist groups? A comparison of leaders and followers 2019 (Journal Article)

• Profiles of Individual Radicalization in the United States—Desistance, Disengagement, and Deradicalization(PIRUS-D3) 2019 (Research Brief)

• Prison and Violent Political Extremism in the United States 2019 (Research Brief)

• Social Learning and Social Control in the Off- and Online Pathways to Hate Crime and Terrorist Violence 2019 (Journal Article)

• The Use of Social Media by United States Extremists 2018 (Research Brief)

• Radicalization to Violence: A Pathway Approach to Studying Extremism 2018 (Journal Article)

• Correlates of Violent Political Extremism in the United States 2018 (Journal Article)