"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

Abdullah el Faisal is an extremist cleric who was convicted in February 2003 in the United Kingdom of inciting hatred against Jews, Hindus, Christians, Americans and others he considers "unbelievers." He first became an Imam in 1991... Read more

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

The Constitutional Sheriffs and Peace Officers Association (CSPOA) is an anti-government extremist group founded in 2011 by former Arizona sheriff Richard Mack. The organization recruits sheriffs into the anti-government extremist "Patriot" movement, and claims the county sheriff... Read more

COORS Family Skins (the word COORS is an acronym for "Comrades Of Our Racial Struggle") was a racist skinhead group primarily based in southern California. Their logo consisted of an Othala rune combined with a runic symbol... Read more

Corneliu Zelea Codreanu was a Romanian fascist leader in the 1930s who founded the Iron Guard and advocated for the elimination of Jews from Romania. He was killed in 1938. Some American white supremacist groups, such as... Read more

The Cotswold Declaration is a 1962 agreement that created an international umbrella group of National Socialist organizations to carry on Hitler's policies. The alliance faded after the assassination of one of the leaders, George Lincoln Rockwell, in... Read more

The Council of Conservative Citizens is a longstanding white supremacist group most prominent from the 1980s through the 2000s. For most of this period, it was headquartered in Missouri, but had chapters in a number of primarily... Read more

Counter Currents is a white nationalist website and publishing house founded in 2010 by American white supremacist Greg Johnson. Johnson advocates for a white ethnostate and regularly speaks at white nationalist conferences in Europe.

Craig Rosebraugh shaped the ideological direction of the eco-terrorist group, Earth Liberation Front (ELF) from the late 1990s through the early 2000s. More than any other activist, Rosebraugh was able to infuse the eco-terror movement with a... Read more