NOTE from DearMYRTLE: The following research tip was suggested by the Newberry Library in the Local and Family History Department blog titled The Newberry Library Genealogy News. Visit the library's website to find out how to subscribe.
Accessing Historical Prisoner Information for Illinois
by Grace Dumelle
"Suppose your ancestor was the victim of a crime and you’re curious if the assailant served time. Or maybe you’ve discovered a black sheep in the family and want to know more. Here’s how to find out about Illinois state prison records."
See: the rest of the story.