How do you track down beer thieves? Well, if you are Circle K, you'd post surveillance footage of the crooks on Facebook and offer a reward.
"Social networking can be a great crime-fighting tool," said Carlos Estrada, loss-prevention manager of Circle K of Arizona and Nevada. "It used to be that someone would write a bad check, and we'd leave it under the (counter) glass, and they'd have to make good on it before they could buy anything else. "Now, we put people's faces on Facebook."