The protests had come about because Black George Floyd had been killed in a police operation with exaggerated severity.
"Congratulations to our National Guard for the great job they did immediately upon arriving in Minneapolis, Minnesota, last night".
"The violence instigated and carried out by Antifa and other similar groups in connection with the rioting is domestic terrorism and will be treated accordingly", Barr said in a statement on Sunday following the president's tweet.
The Democratic mayor of St. Paul, Minnesota, Melvin Carter, said at a press conference on Saturday that all protesters arrested on Friday night were from out of state.
"We don't mind being accused of police brutality", he said in the same speech, according to news reports from the time.
Mr. Barr, the nation's top cop, said he's directed federal agents to apprehend and charge the "violent radical agitators who have hijacked peaceful protest".
The White House has since doubled down on the shooting starting if the looting starts phrasing. It's said to be a political protest movement comprising of autonomous groups affiliated by their militant opposition to fascism and other forms of extreme right-wing ideology.
Floyd died Monday after a white police officer, Derek Chauvin, pinned down Floyd's neck with his knee for almost nine minutes during an arrest.
Chauvin and three other officers involved in Floyd's detainment were fired on Tuesday.
It is not clear how many, if any, of the protesters participating in demonstrations across the country are from Antifa, which experts note is not an organization but rather an amorphous movement.
"We will enforce these laws", he vowed. "Authorities have been monitoring alleged criminals online, including postings by suspected white supremacists trying to incite violence".
"Every single person we arrested last night, I'm told, was from out of state". "They are coming in largely from outside of the city, from outside of the region, to prey on everything that we have built over the last several decades".