Increasing threat of 3D printed firearms heightens concerns of violent crime

A new type of untraceable firearm printed using 3D technology is starting to gain national attention, coined with the colloquial name “ghost gun.” Federal authorities say they are increasingly recovering the homemade weapons, which are impossible to track without a serial number. As gun violence continues nationwide, law enforcement and policymakers are scrambling to get ahead of a trend they fear could exacerbate the problem.

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