An 18-year-old on Cape Cod was arraigned Friday on charges that he was threatening to commit a school shooting.

A Massachusetts teenager who was arrested for allegedly expressing a desire to commit a school shooting was allowed by a judge to post bail and go home. The post Teen sat in his room with 3D printer ...

Police now sound confident that the handgun and suppressor found in possession of Luigi Mangione, the suspect charged with the fatal shooting of UnitedHealthcare CEO Brian Thompson, were fabricated ...

A 16-year-old was arrested in Rockford, Illinois on Monday night for possessing a 3D-printed, fully automatic handgun with an extended ammunition magazine and extra ammunition.

More than a decade after the advent of the 3D-printed gun as an icon of libertarianism and a gun control nightmare, police say one of those homemade plastic weapons has now been found in the hands of ...