East Dundee IL - Serial Killer?

So, we saw this odd bit of "found art" on the side of the road.  Somebody put up a sign saying s/he wants to buy "your" home.  Another person put up a sign questioning whether that person is a serial killer.  Or maybe it was the same person, just to get attention?

not quite as good a picture as the last one - but I hopped into it, so that's why I included it