I lived in Carol Stream for a little more than a year, August 1998-November 1999, and that was a somewhat rough neighborhood.
I know it well...
I lived in a neighborhood called Logan Square, when I was younger much of that area was Polish, Lithuanian and Ukranians...
Good folks, worked hard and had some darned tasty food
When I left it had developed a decided Puerto Rican flavor..
Gangs were SOP