For decades, America's detectives have made breakthroughs in crime using gun traces. A homicide investigator typically uses ballistics and serial numbers of weapons checked via a vast network of gun ...

When Pennsylvania police arrested Luigi Nicholas Mangione in a McDonalds restaurant Monday in connection with the fatal shooting of UnitedHealthcare CEO Brian Thompson in New York City, they said he ...

The world’s biggest social media sites are home to thousands of 2nd Amendment devotees who believe anyone should be able to use a 3D printer to build their own gun. Meta, Discord and the DOJ are ...

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 ...

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 ...

Corrections and clarifications: A previous version of this story indicated the 3D Printed Gun Safety Act of 2023 had been passed. It has only been introduced. A certain weapon is under a national ...

More than a decade after the advent of the 3D-printed gun as an icon of libertarianism and a gun control nightmare, police say one of those homemade plastic weapons has now been found in the hands of ...

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 ...

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 ...

It’s a truism at this point to say that Americans own a lot of guns. Case in point: This week, a fire chief in rural Alabama stopped to help a driver who had just hit a deer. The two men walked up the ...

We have received text from S. 2165: 3D Printed Gun Safety Act of 2025. This bill was received on 2025-06-25, and currently has 21 cosponsors. Here is a short summary of the bill: The 3D Printed Gun ...