Attorney Michael Oppenheimer responds Posted on December 7, 2015 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Attorney Michael Oppenheimer, representing Dorothy Holmes, mother of Ronald Johnson, responded to the decision not to charge the police officer who shot and killed Johnson. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: