“What this story (churnalised from the Washington Post, by the way) does not tell us is that an overwhelmingly peaceful demonstration against the police shooting (it consisted largely of people walking with their hands up calling “don't shoot") was violently attacked by the police using tear gas, rubber bullets, etc., menaced by police marksmen training sniper rifles on them, and attacked by SWAT teams using "curdler" sirens.
Source: wiktionary