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Index/Organizations/George Washington University Program on Extremism

George Washington University Program on Extremism

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Nov 26, 2025
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Which left-wing groups in the US have been designated as extremist or domestic terrorist threats since 2016?

Federal and academic sources and major news outlets show that U.S. authorities have primarily focused counterterrorism designations and formal labels on foreign organizations or on the broad phenomeno...

Feb 3, 2026

Which U.S. states have the highest concentration of active right-wing extremist groups?

Contemporary analyses and government reviews point to a geographic concentration of active in and across parts of the West, Midwest and South rather than evenly across the country, but measurements va...