Support WBURProtesters Were Supposed To Hear Warnings Before Federal Police Moved In. They Didn'tPlay04:00Download AudioDina Temple-RastonSeptember 11, 2020 SharePolice move in on demonstrators in Lafayette Square near the White House with tear gas and smoke on June 1. U.S. Park Police made announcements asking protesters to leave, but few people appeared to hear them. (AFP via Getty Images)
