Mangione likely was motivated by his anger with what he called “parasitic” health insurance companies and a disdain with ...

The 26-year-old man accused of killing UnitedHealthcare CEO Brian Thompson was found after a manhunt in possession of a 3D-printed gun and 3D-printed silencer.

The design of the gun police say they found on the alleged United Healthcare CEO's killer—the FMDA or “Free Men Don’t ...

The ghost gun and suppressor found on a man the authorities have accused of killing the chief executive of UnitedHealthcare ...

Police charged 26-year-old Luigi Mangione in connection with the killing of UnitedHealthcare CEO Brian Thompson.

The UnitedHealthcare CEO shooting brings ghost guns into focus. Here's what to know about privately made firearms.

An Ohio man will face little time in jail after he shot a gun during a road rage incident on Interstate 65 in Greenwood.

Associated Press has reported Mangione has been charged in the state of New York for the murder of Brian Thompson.

Follow NBC News live updates for the latest coverage of the murder of UnitedHealthcare CEO Brian Thompson by a masked gunman in New York city.

The Overland Park Police Department is searching for a suspect who allegedly pointed a gun at a juvenile and stole their backpack after stealing from a vehicle.

Police have arrested a 26-year-old man with a weapon consistent with the gun used to kill the head of the largest U.S. health ...

A man with a gun thought to be similar to the one used in the killing of UnitedHealthcare CEO Brian Thompson was taken into ...