Downloading a gun design to your computer, building it with a three-dimensional printer that uses plastics and other materials, and firing it minutes later. No background checks, no questions asked. ... more 
Downloading a gun design to your computer, building it with a three-dimensional printer that uses plastics and other materials, and firing it minutes later. No background checks, no questions asked. Sound far-fetched? It's not. (Dec. 21) less 
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Associated Press Videos
Fri, Dec 21, 2012 2:06 PM EST