riot police
riot police

The FBI has sent a memo to law enforcement agencies across the country warning about possible armed protests at all 50 state capitols starting Saturday and saying an armed group has threatened to travel to Washington, D.C., the same day to stage an uprising if Congress removes President Donald Trump from office, according to a senior law enforcement official.

The memo includes information provided by the Bureau of Alcohol, Tobacco, Firearms and Explosives; the Drug Enforcement Administration; the Defense Department; U.S. Park Police; and the U.S. Marshals Service, among other agencies, according to the official. Some of the information came from social media, some from open sources and some from other sources of information.

Read the rest of the story at NBC News