Chigaco's gun violence epidemic
Chicago is struggling with an epidemic of violence fueled by illegal guns. So far this year, more than 2,100 people have been shot and over 400 killed. Adriana Diaz traveled to Chicago's toughest neighborhoods for "CBSN: On Assignment," which airs on Monday, Aug. 7, at 10 p.m. ET/PT on CBS and CBSN.