Morimoto, no one "allowed" the counter protesters to attack the white nationalist group that had a permit to exercise its free speech rights to protest the removal of statue of General Lee.   According to reports published in the New York Times, the police presence was insufficient to prevent an anticipated confrontation between the two groups and when fights broke out as expected, the police allegedly stood and watched and did little to intervene.    https://www.nytimes.com/2017/08/13/us/charlottesville-protests-white-nationalists.html.  Inaction or insufficient action by the police could be construed as “allowing.”