These T-shirts were created in response to the NYPD's new policy of random searches of people getting on the subway. However they got started, they're great shirts and part of me wants to get a bunch to give to potential clients. If the shirts were followed, I have a feeling that my job would get a lot easier.
And if you decide that you want to get one, I would suggest that you also get this yellow ribbon sticker for your car.
On the other hand, if you are just a sick bastard (like me), you will probably like this shirt. (there are a number of others at this site that are really funny, but there are quite a few that are offensive, even to me. So, be forewarned. Link via Blondie from way back when.)