The use of a ghost gun in Brian Thompson's killing was hardly a new development. Gun kits allowing people to build their own weapons by simply completing a few simple assembly steps at home have ...

Police said Luigi Mangione, the man charged in the killing of UnitedHealthcare CEO Brian Thompson, appears to have had a ghost gun, a weapon that can be made using a 3D printer.

When asked recently how often he thinks about ghost guns on the streets in Southern Nevada, and the danger they pose, Clark County Sheriff Kevin McMahill didn’t mince words.

Ghost guns aren’t new, but they are a growing problem. Even though kits to assemble guns have been sold since the 1990s, the market did not really take off until around 2009.

Ghost guns can be made using a 3D printer or assembled from a kit. The weapons can be produced for less than $200, though officials have put the average price at around $500, CBS News previously ...

The use of ghost guns in crimes has risen dramatically in recent years. An Apache Junction police officer was critically wounded June 2 after a man shot him with a “ghost gun," police said.

Luigi Mangione, the shooting suspect, was carrying a “ghost gun” that had the capability of firing a 9 millimeter round and may have been made on a 3-D printer, according to investigators.

Police say the suspect had a ghost gun, possibly made with a 3D printer, when he was arrested on Monday. Here's what to know about the increasingly widespread weapons and efforts to regulate them.

The number of ghost guns sharply went up during that period, prosecutors noted in their brief to the Supreme Court—with only 1,600 guns submitted to ATF for tracing in 2017 versus more than ...

Ghost guns are firearms without serial numbers that are manufactured at home with do-it-yourself kits. Critics of the firearms say the concern is they are not traceable like traditional firearms ...