Right-wing extremism is a term used to describe right-wing political, social and religious movements that exist outside of and are more radical than mainstream conservatism. In the United States, the extreme right consists primarily of white supremacist... Read more

The radical wing of the anti-abortion movement emerged in the 1980s; its violence peaked in the early 1990s with dozens of serious crimes, including bombings, arsons, murders and attempted murders. The frequency of anti-abortion violence began to... Read more

White supremacist accelerationism is a school of thought within some segments of the white supremacist movement (primarily neo-Nazi and alt-right white supremacists) that argues that, because white supremacists seem unable to reform or reshape modern society to... Read more

Citizens' grand juries (also known as common law grand juries and people's grand juries) are sham juries created primarily by adherents of the sovereign citizen movement, who have a fondness for creating fictitious judicial and governmental entities... Read more

"Common law courts" are bogus courts established by adherents of the sovereign citizen movement, who reject the legitimacy of actual courts. They are often used to render unenforceable judgments regarding genuine legal disputes and to issue phony... Read more

A conspiracy theory is a false interpretation of a matter that explains its subject as the result of a conspiratorial undertaking.

Pre-planned act or attempted act of significant violence against the United States of America or US citizens by one or more domestic non-state actors in order to further an ideological, social or religious cause, or to harm... Read more

Fictitious financial instruments are fraudulent, typically check-like documents that purport to transfer a sum of money like a check or money order. They are frequently created by adherents of the anti-government extremist sovereign citizen movement and used... Read more