Alleged CEO shooter Luigi Mangione was able to build his murder weapon thanks to directions he obtained from a "3-D ...

Also called “ghost guns,” homemade ... Sweetow said. “The kits are what is problematic for law enforcement because they are so easy to use, they are so cheap and they are absolutely untracea ...

These ghost guns, assembled at home and without serial numbers, are nearly impossible to trace. According to the complaint, the weapon combined plastic and metal parts, illustrating how easily 3D ...