VIEWER DISCRETION ADVISED: Some of the content in this story depicts incidents that are graphic in nature, which some viewers may find disturbing.The Chicago Police Department released video on Wednesday that shows a frame-by-frame depiction of the fatal shooting of Anthony Alvarez in Portage Park on March 31, 2021.CHICAGO - Videos of Chicago police fatally shooting 22-year-old Anthony Alvarez last month in Portage Park were released by the Civilian Office of Police Accountability on Wednesday.Body-cam video shows police chase Alvarez down an allery before shooting him several times in the front yard of a home.A Chicago police officer yells "Drop the gun!