Washington Metropolitan Police Officer Daniel Hodges said he "came prepared" with the definition.
“They beat police officers with Blue Lives Matter flags," said Officer Harry Dunn. "They fought us. They had Confederate flags in the U.S. Capitol."
A number of other groups, including the far-right Atomwaffen Division, have also been designated as terror organizations.
Canada’s Parliament unanimously passed a motion calling on Prime Minister Justin Trudeau to designate the Proud Boys a terrorist organization. But some extremism experts worry the symbolic move may politicize a national security process.
A political push to formally designate even that violent far-right group as terrorists could set a dangerous precedent.
Anthony Quinn Warner's then-girlfriend told officers he was building bombs in his RV. Police knocked on his door but did not search his home or vehicle.
Instead of sending two ISIS militants to Guantanamo, the Trump administration is going with the tried-and-true method: subjecting them to America's federal courts.
“White supremacist extremists will remain the most persistent and lethal threat" through 2021, according to Homeland Security draft reports obtained by Politico.
DOJ cases against white supremacists and Trump inauguration protesters could layout how the Trump administration cracks down on alleged rioters.
A 17-year-old boy has been charged with murder and attempted murder after one woman was stabbed to death and another woman was injured.