Luigi Nicholas Mangione leaves Blair County Courthouse in Hollidaysburg, Pa., on Thursday. Mangione is accused of fatally shooting UnitedHealthcare CEO Brian Thompson, allegedly with a 3D-printed gun.

How easy has it become for someone to build a deadly, and untraceable weapon? With nothing more than a 3D printer and parts ordered online, WIRED Senior Writer Andy Greenberg remade the exact same gun ...

For decades, weapons manufacturing has been the domain of arms industry heavyweights: Glock, Sig Sauer, Remington, Sturm, Ruger & Co. Making a gun from scratch at home required thousands of dollars of ...

For the last hour, in a backroom of a gun range in Arabi, Louisiana, I’ve been building Luigi Mangione’s gun. Well, not his, in the literal sense. The not-quite-finished firearm in my hands is very ...

AUSTIN, Texas -- The debate over 3D-printed firearms began in 2013 when Cody Wilson, the founder of Texas-based Defense Distributed, published downloadable designs for a 3D-printed firearm. His ...

ALBANY, NY (WRGB) — An Albany man faces multiple felony charges found with 3D printed guns, hundreds of parts, and 3D printers, CBS6 is looking into the laws surrounding these 3D printed pieces and ...

Once police released details on the arrest of the suspected shooter of UnitedHealthcare CEO Brian Thompson, internet sleuths identified the weapon used as a Chairmanwon V1, a version of a popular ...

HUNTSVILLE, Ala. (WAFF) - Luigi Mangione, the man accused of killing UnitedHealthcare CEO Brian Thompson, was originally taken in on weapon charges. When police arrested him they found a 3D printed ...

A small but growing number of American firearm enthusiasts are joining RedNote, an app known in China as Xiaohongshu, in an effort to teach native users how to build 3D-printed guns. One such advocate ...

Police now sound confident that the handgun and suppressor found in possession of Luigi Mangione, the suspect charged with the fatal shooting of UnitedHealthcare CEO Brian Thompson, were fabricated ...

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 ...