After bloody July Fourth weekend, mayor calls for the feds. We hope they’re listening. Chicago Sun-TimesChicago shootings: At least 109 shot, 19 fatally, in citywide holiday weekend gun violence, CPD says WLS-TVMayor Johnson questioned over response to deadly weekend violence WGN TV ChicagoChicago shootings: July 4th weekend sees more than 100 people shot, 19 killed Fox News