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Index/Topics/U.S. domestic terrorism

U.S. domestic terrorism

Terrorism and violent extremism within the U.S., including left-wing and right-wing incidents

Fact-Checks

4 results
Jan 12, 2026
Most Viewed

How do US law enforcement agencies define and track far-left extremism post-2020?

U.S. law enforcement defines "far-left" or left-wing domestic extremism within the broader frame of domestic violent extremism: politically motivated violence or credible threats intended to influence...

Jan 22, 2026

How has the frequency of non-Islamic terror attacks changed since 2001?

Since 2001 the global landscape of terrorism has shifted: datasets and scholars show that, once civil-conflict trends are controlled for, has been less “terror‑prone” than the years before 2001 , even...

Jan 11, 2026

What role have social movements and extremist groups played in party-linked political violence?

Social movements and extremist groups have both driven and channeled party-linked political violence in the United States by supplying ideology, networks, tactics and rhetorical cover that can be ampl...

Jan 10, 2026

Has any racist, nationalist, prejudice, supremist, extremism, groups been labeled as terrorist domestic of foreign n the us in all of its history

The United States has historically distinguished between formal terrorist designations for foreign organizations and investigative classifications for domestic violent extremists: federal law and prac...

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