The firearm found on the suspect in the murder of the UnitedHealthcare CEO is believed to have been an untraceable ghost gun, ...

Police found a 3D-printed gun on suspect Luigi Mangione, the latest in a troubling trend of growing use of the homemade ...

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

Police said Luigi Mangione, the man charged in the killing of UnitedHealthcare CEO Brian Thompson, appears to have had a ...

The 26-year-old suspect was charged with murder in New York after being arrested at a McDonald’s in Altoona, Pa. He appeared ...

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.

A man is being questioned in Altoona, Pennsylvania, for the shooting of UnitedHealthcare CEO, with police recovering a ...

ET By Ashley R. Williams, Gloria Pazmino, Evan Perez, Mark Morales, Brynn Gingras, Shimon Prokupecz, Ryan Young and John ...

I briefly covered the 8.6 Blackout in my last Alternative Ammo piece, in which I compared it to the .338 Federal. But because ...

A man being questioned in connection with the fatal shooting nearly a week ago of UnitedHealthcare’s CEO in New York City was ...

Police are questioning a man in Altoona, Pennsylvania, in connection with the fatal shooting nearly a week ago of a top US ...