. >> sergeant scott guginsky heads the new york police department's organized theft task force, whichn south american organized crime. he says they use specially made booster bags lined with foil or duct tape to smuggle the stolen merchandise out of the store. >> the foil's on top of a piece of cardboard, and it's sewn into the linings. >> and the purpose of the foil on the inside. >> that actually throws off the security at the doors. if you're walking out with an item with a security tag, it won't set it off. >> south american shoplifting teams feed a black market for stolen goods that flourished in most big cities. this discount outlet in queens contained more than a million dollars worth of brand-new, brand-name clothes selling for half off retail price. >> it's known to certain communities where, if you live in that community, you know where you can go and you can get a discount, a 50% discount on clothing. >> five finger discount, we used to call it. >> yes. >> still call it that. >> yes. >> some of the loot turns up in other countries, and even online, where stolen merchandise