Cmdr. John Graeber

Chicago police officers demonstrate how pickpockets can work in teams to "stall" a revolving door, and lift someone's wallet from their pocket while they're waiting for the door to turn. (Credit: CBS)

Cops Warn Holiday Shoppers About Pickpockets

With the holiday season upon us, and larger crowds out on the streets, in the stores, and riding trains and buses, police were warning to be on guard against pickpockets and cell phone thieves.

CBS Chicago–11/29/2012