Ex-Lake Bluff teacher pleads guilty in decades-old indecency case uncovered by the I-Team Posted on August 30, 2017 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Former suburban teacher Charles Ritz pled guilty to public indecency Wednesday, ending a case from the 1980s uncovered by the I-Team. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: