Investigators say the black pistol allegedly recovered from Luigi Mangione, the suspect arrested in connection with the killing of a healthcare executive, appeared to be a ghost gun - a firearm ...

But mass shootings remain a rare occurrence. Only a small fraction of the nation’s nearly 130,000 schools report gun incidents each year. By Troy Closson Gun violence on school grounds has seen ...

The U.S. is at a crossroads concerning gun violence prevention. President-elect Donald Trump has made day one promises that will upend gun violence prevention efforts nationwide. Appointments to ...

Part of the gun that the police believe was used to kill the C.E.O. of UnitedHealthcare was made by a 3D printer using a popular design found online. By Thomas Gibbons-Neff and Aric Toler At first ...

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 ...