NPR's Jack Speer reports federal and state regulators are going after fraud on the internet. The Federal Trade Commission is joining state and local law enforcement agencies to target online auction scams. As internet deal-making has grown at sites like eBay, so has the number of complaints. Online auction scams are the most common type of Internet-based fraud, according to the FTC. eBay says only one in 10,000 transactions on its site are fraudulent.