David O. Brown has resigned from his position as Police Superintendent of Chicago. Superintendent since April 15, 2020, Mr. Brown has served in the Dallas Police Department as Assistant Chief of Police and as First Assistant Chief of Police, as Assistant City Manager of Dallas, TX, as Chief Executive Officer of Chief David Brown & Associates, and as a Contributor to ABC News. He earned a BS at Dallas Baptist University in 1999 and an MBA at Amberton University in 2001. First Deputy Superintendent Eric M. Carter has been named Interim Superintendent.