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 ...

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 growing online gun rights movement known as "3D2A," and the accessibility of 3D printers, have sparked an explosive growth of ghost guns in New York City — and could soon spread across the nation, ...

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 ...