The Garland, Texas terrorist plot, also known as the "Draw Mohammed Art Contest" plot, refers to a May 3, 2015 incident in which two men — Elton Simpson and Nadir Soofi — entered the Curtis Culwell Center... Read more

In 2017, a 4chan trolling campaign falsely claimed that the okay hand gesture had been appropriated by white supremacists as a symbol meaning "white power." The campaign succeeded in convincing many people that it was, leading to... Read more

The June 2016 shooting spree at the Pulse nightclub in Orlando, Florida, by Omar Mateen—who killed 49 people and wounded 53 more—dwarfed in its lethality all other extremist-related murders in the decade. Mateen, who claimed his attack... Read more

Adam Yahiye Gadahn was born Adam Pearlman in Oregon in 1978; his father changed their last name to Gadahn after converting to Christianity. Adam later converted to Islam and quickly radicalized— he was arrested in 1997 for... Read more

Among the litany of tropes espoused by antisemites is the claim that modern Jews are "imposters" or "fake," and have no relationship with the Israelites described in the Bible. A foundational theory to justify this allegation states... Read more

Jihad is an Arabic word meaning "struggle." Jihad is one of the five pillars of Islam, and many scholars have written about its meaning and application. In a moderate context, jihad can often refer to a personal... Read more

The Embassy of Heaven was an anti-government extremist group based in Oregon and led by Paul Revere (aka Craig Fleshman). Primarily active in the 1990s and 2000s, the Embassy marketed bogus license plates and other automobile documents... Read more

Tightrope Records, often simply known as Tightrope, is one of the oldest online purveyors of white power music and merchandise. Run by white supremacist Bryant C. Cecchini (aka Bryant Calvert), the site, which has been active since... Read more

"Synagogue of Satan" is a derogatory term used by various antisemites — such as the Nation of Islam, extremist sects of the Black Hebrew Israelite movement and many extremists who identify as Christians — to refer to... Read more