How eBay Became Big Source of Stolen Goods: CNBC's Cohn

EBay may be one of the biggest sources of stolen merchandise in the country, according to CNBC senior correspondent Scott Cohn.

In tonight's premiere of CNBC's "Business Nation," Cohn investigates how the online auction giant is--or isn't--dealing with this growing problem.

Cohn introduces viewers to "John," a former practitioner of a new kind of crime known as "e-fencing" that has emerged on eBay and other auction sites.

Retailers know that when they see their products selling online for less than they pay the manufacturer, that the products are stolen-–especially when they're exclusive items. So what can retailers do about it?