both stand charged with evidence tampering. toll chicago where police are struggling to keep up a surge of violence. gunman shot 10 people in various attacks across the city, killing a 14-year-old boy. it comes a week after someone shot five people outside a church in what investigators say may have been a gang-related attack. chicago is home to fewer people than l.a. or new york. but there were more murders there last year. 512 of them. that's about 19 for every 100,000 people. more than double the murder rate of the larger cities. starting today on the first day of school, hundreds of new safety guards are watching over children as they walk through gang areas. the parents say their needs to be more done. mike tobin is live in the city. mike? >> a lot of kids walked to school flanked by guards with franked vests. a half block away from safe