FILE – In this Sept. 17, 2017 file photo, police gather as demonstrators march in response to a not guilty verdict in the trial of former St. Louis police officer Jason Stockley in St. Louis. Stockley was acquitted in the
FILE – In this Sept. 17, 2017 file photo, police gather as demonstrators march in response to a not guilty verdict in the trial of former St. Louis police officer Jason Stockley in St. Louis. Stockley was acquitted in the 2011 killing of Anthony Lamar Smith, a black motorist following a high-speed chase. A federal judge is hearing from police and St. Louis protesters before deciding whether to grant a request to regulate police conduct. At issue is a lawsuit that the American Civil Liberties Union of Missouri filed over what it calls “unlawful and unconstitutional action” during the demonstrations that followed the acquittal of a former police officer in the killing of a black man. (AP Photo/Jeff Roberson, File)