Suspicious things I've done in public

I am pretty sure I have taken notes on a pad, taken photos, and consulted maps while out in public. This means that when we go to Chicago this weekend to visit my parents, I'm "suspicious" according to the Chicago police:



In general, I'm a suspicious looking dude. First, airplanes, and now on the streets!

(via Sepia Mutiny and Boing Boing)