The FBI and the Department of Homeland Security warned in a 2017 intelligence bulletin that white supremacist groups had carried out more attacks in the U.S. than any other domestic extremist group over the past 16 years. And officials believe they are likely to carry out more.
ORANGE ALERT: The (almost) daily outrage
White supremacist groups had carried out more attacks in the U.S. than any other domestic extremist group over the past 16 years.