I hope the police are trying to find the legitimate owner. Most likely this was a simple mistake. Of course, in the insane society that is Illinois, the owner may be cowering in terror, concerned that they may be charged with some vague crime such as
“endangering public safety” or some such.
If I found a computer case that felt like it was loaded, I’d be tempted to take a good look inside before dropping it in my trunk.
It says Evansville, so I think it's probably Indiana.