St. Louis Public Radio A small group of activists led by Rev. Darryl Gray (center) blocked the intersection of Tucker Boulevard and Market Street in downtown St. Louis to demonstrate in a reaction to the guilty verdict rendered earlier Tuesday in the Derek Chauvin trial. "It ain't over," they chanted. Activists gathered outside St. Louis City Hall Tuesday evening to praise the verdict against Minneapolis police officer Derek Chauvin for killing George Floyd, but said much more racial justice work still needs to be done. The jury found Chauvin Several dozen activists chanted, “It ain’t over” and “Black Lives Matter” over blaring car horns as they blocked off the intersection of Market Street and Tucker Boulevard. Some cars drove around the activists, and police vehicles later blocked off the streets to traffic.