The Baptist Foundation of Arizona is a non-profit fundraiser dedicated to the church. Investors believe their money will be secure, but instead, millions are lost. "American Greed" unravels the elaborate Ponzi scheme that left a religious community betrayed and baffled. And in another case: The story of a murderous Chicago doctor who bilked Medicare. His practice is lucrative, but beneath the charm lies a con artist -- a doctor playing the system and making off with more than a million.