Weekend violence in Chicago continues to intensify. Eight people are dead and 43 others wounded in shootings since Friday. It's a trend that seems to be quite constant in the city over the past month, where more than 130 people have been injured by gun violence in weekend shootings. At least 20 have been killed. The violence has spread into the downtown area. One tourist suffered a broken jaw in a robbery attempt over the weekend. Several teenagers are being questioned.