Ep 4. Shades of Obsession

From eBay to Antiques Roadshow, collecting has taken America by storm. But when you think of collectibles, voodoo dolls and serial killer art probably don't come to mind. Meet extreme collectors -- including some people who have even risked their lives or landed in jail in pursuit of their prize. These collectors tend to have one thing in common: their strange hobbies sometimes become obssessions. One even became a million dollar business.