Harlem father built ghost guns in apartment, test fired weapons in Central Park: DA

As alleged, Roberto Guerrero threatened the safety of all New Yorkers, including his own children, when he decided to manufacture and store 3D-printed weapons - some of which were fully operable - in his home. - Manhattan District Attorney Alvin Bragg

Investigators recovered a 3D-printed pistol with a magazine loaded with seven rounds of ammunition; a 3D-printed assault weapon-style pistol; 30 3D-printed pistol lower receivers - including one modeled off a traditional AR-15 - and a large capacity ammunition feeding device, as well as other supplies to assemble weapons like filament and other tools.

Read at New York Post