Why 3D-Printed Untraceable Guns Could Be Good For America – Forbes Posted by David R. Duringer, JD, LL.M (Tax), Atty. on May 9, 2013 Why 3D-Printed Untraceable Guns Could Be Good For America – Forbes. Fire at will:FacebookTwitterLinkedInTumblrPinterestRedditPocketEmailPrintLike this:Like Loading... Related