Pictures of Chicago residents who have died by gunfire are posted on the city's South Side. Scott Olson/Getty Images hide caption

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The owners of Women and Children First, Chicago's famed feminist bookstore, are looking to sell. Kevin Zolkiewicz/Flickr.com hide caption

itoggle caption Kevin Zolkiewicz/Flickr.com

Chicago Police Superintendent Garry McCarthy says police have at least 108 examples of shootings or murders in 2013 alone that would not have happened if the proposed mandatory minimum sentencing law was in effect. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

Researchers say that in Milwaukee County, more than half of all black men in their 30s and 40s had been incarcerated at some point. iStockphoto.com hide caption

itoggle caption iStockphoto.com