One firearms expert suggested that even the best 3D-printed guns might only fire “five shots [before] blowing up in your hand.” A weapon with a design or printing defect might blow up or come apart in ...

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 ...

Luigi Mangione, who has been charged with murder in the shooting death of UnitedHealthcare CEO Brian Thompson, apparently had a ghost gun, a type of firearm that can be made at home, police said ...

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 ...

Luigi Mangione, the suspect charged in the murder of UnitedHealthcare CEO Brian Thompson, was carrying a "ghost gun" at the time of his arrest, authorities said. The 26-year-old was "in possession of ...

Despite fears that guns made with 3D printers will let criminals and terrorists easily make untraceable, undetectable plastic weapons at home, my own experience with 3D-manufacturing quality control ...