Add Yahoo as a preferred source to see more of our stories on Google. A handgun, rifle, magazines, and protective earmuffs are laid out on a table at an indoor shooting range. Photo: Kaboompics.com / ...

As police departments around the country report a surge in 3D-printed firearms turning up at crime scenes, gun safety advocates and law enforcement officials are warning that a new generation of ...

Anna Schecter is the senior coordinating producer for CBS News and Stations' Crime and Public Safety Unit, based in New York. A growing online gun rights movement known as "3D2A," and the ...