Homemade Gun Technology Vexes Effort to Control Weapons

As lawmakers seek to curb gun violence in the United States, they may need to address technological advances in how firearms can be made. In recent years, there has been a great increase in the use of 3-D printers that produce plastic forms, including gun parts. As VOA's Greg Flakus reports from Austin, Texas, some political activists are promoting homemade firearms as a way around legal constraints.