There were reports of residents not involved in the protest being detained, and media members being held and forced to show credentials.
Carlson's comments about George Floyd led to a major backlash.
He's been accused of "fueling conspiracy theories" about the COVID death toll.
Carlson suggests America is "importing people from places ... antithetical to ours."
His controversial tweets got serious exposure on Tucker Carlson Tonight.
The TV channel broadcast live from Uncle Loui's Cafe on Thursday.
Mike Lindell just spent the weekend at Mar-a-Lago with President Trump.