Second Amendment fights grow across several states over 3D-printed gun laws

Lawmakers in an increasing number of states are attempting to impose restrictions on 3D-printed firearms amid a Second Amendment fight over ghost guns. As a bipartisan slate of states attempt to restrict the possession and manufacturing of ghost guns — firearms without serial numbers often made or modified with the use of 3D printers — Second Amendment activists and gun rights advocates argue the restrictions impinge on their constitutional right to bear arms. At least 16 states have now put 3D