Probably a black op by a leftist, possibly an Antifa thug. Ditto for those who go to rallies with Nazi or Confederate flags. These tactics provide a way for the likes of Gretchen Wittmer to smear those who support ending the COVID-19 lockdown. This is likely what happened at Charlottesville in 2017.
Lenin is supposed to have said that he did not worry about the opposition because the Communists would manage the opposition.