This article on the use of social media among extremists cites data from the Extremist Crime Database (ECDB) and the Profiles of Individual Radicalization in the United States (PIRUS) database.
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National Institute of Justice: Domestic extremists and social media: Study finds similarities, differences in web habits of those engaged in hate crimes vs. violent extremism
National Institute of Justice: Domestic extremists and social media: Study finds similarities, differences in web habits of those engaged in hate crimes vs. violent extremism
April 19, 2022