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

They’re 3D-printed or assembled piece by piece. A patchwork of state and federal regulations puts them in a legal gray area.

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

Police say the killing of UnitedHealthcare’s CEO was likely carried out with a ghost gun, one of the nearly untraceable ...

The recent use of a ghost gun in a high-profile murder case has reignited the debate over the regulation of these firearms.

Rep. Susan Wild (Pa.), the top Democrat on the House Ethics Committee, was absent from the panel’s meeting last week after ...

"He likes to toy," said Jennifer Coffindaffer, who has been actively following the case. "We just don't know his motivation." ...