One way to avoid pickpockets

I found these guys strolling casually up Las Ramblas in Barcelona. I was hunting thieves, not nudes. I followed anyway, just to see if they'd get arrested. They didn't, in the half-hour I tagged along.

Read more at Thiefhunters in Paradise at http://bobarno.com/thiefhunters or specifically at Pocketology 101 at http://bobarno.com/thiefhunters/theft-thwarter-tips/pocketology-101/