Chicago sexual assault streamed live on FacebookForty people watch live feed showing sexual assault of 15-year-old girl in US without alerting police. Police only found out about the assault after the victim's mother alerted Superintendent Eddie Johnson [File: EPA] US police are searching for five or six men or boys involved in sexually assaulting a 15-year-old girl in Chicago and posting the act on Facebook Live. About 40 people watched the li
