WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.It’s no secret that the rate of violent crimes soars in Chicago during the summer. But a new study from the University of Chicago Crime Lab and the University of Pennsylvania may have found a way to reduce those numbers - by providing young people jobs. The study looked at how an eight week part-time summer employment program was able to reduce violent crime arrests by more than 40 percent over a 16-month period. Joining us on the line is the study’s author, Dr. Sara Heller, who is the assistant professor in the Department of Criminology at the University of Pennsylvania.