Marrian Zhou is a Beijing-born Californian living in New York City. She joined CNET as a staff reporter upon graduation from Columbia Journalism School. When Marrian is not reporting, she is probably ...

The world's first 3D-printed gun, the Liberator, has been printed, assembled, successfully test-fired -- and now the 3D CAD files are available to download, if you wish to create your own gun. A video ...

This story was originally published by The Trace, a nonprofit newsroom covering gun violence. Subscribe to its newsletters. For decades, weapons manufacturing has been the domain of arms industry ...