Cooper was supposed to be sent back to Mississippi to serve out the rest of his 30 year sentence on a manslaughter conviction.
Search on for man mistakenly freed from jail
July 29, 2009 (CHICAGO) Authorities say Jonathan Cooper, who used to live in Lansing, Illinois, was brought to the Chicago area to face charges of failing to register as a sex offender. That charged was dropped and he was mistakenly released.