WLS-TV reports "dozens of Illinois sex offenders registered as living at just a few addresses in Chicago. The locations were all listed on the Chicago Police Department's official website. They all came back to homeless shelters. Could hundreds of registered sex offenders actually live in the same few buildings in Chicago... We found that they don't really live there and that police have no clue where they actually live. Our investigation led to where some of the registered sex offenders have moved: the suburbs, other cities, jail..."