Who's Liable for Crimes Committed With 3D-Printed Guns?

With the announcement this week that a handgun made from a 3D printer fired successfully, 3D manufacturers may soon find themselves in a gray area when it comes to liability. From the looks of it, these companies aren't ready for the new wave of customers and responsibility this might bring. According to the BBC, designs for the Liberator plastic pistol have been downloaded more than 100,000 times already -- before the U.S. government ordered that the designs be taken down for fear they may viol...