The gun used in a fatal Nashville school shooting was purchased in Arizona, police said on Thursday afternoon.

A traffic stop results in the arrest of a reputed gang member wanted on gun-related charges in Socorro, Texas.

An Erie County jury is deliberating the role of a Glock 17 9mm handgun used in the 2012 death of 20-year-old Lexie Castile. Prosecutors argue Anthony D'Onofrio shot Castile, while the defense claims ...

Authorities said the gun was connected to the shooting through the National Integrated Ballistic Information Network.

An officer was fired and charged with incompetence after accidentally shooting a driver with his own gun while attempting to ...

The technology system meant to prevent school shootings failed to detect the Antioch High School shooter's gun, an official ...