Suspect in Fatal Shooting of UnitedHealthcare CEO Used 'Ghost Gun,' Possibly from 3D Printer: Police

Mar. 15, 2025

Thesuspect in the fatal shootingof UnitedHealthcare CEO Brian Thompson may have used a so-called “ghost gun” he made from a 3D printer, NYPD Chief of Detectives Joseph Kenny said.

On Monday, Dec. 9, the NYPD announced that they identifiedLuigi Mangione, 26, as the suspect in the fatal shooting of Thompson, who was fatally shot in Manhattan last week, NYPD Commissioner Jessica Tisch confirmed at a press conference.

Mangione was detainedon Monday at an Altoona, Pa., McDonalds after an employee notified police, police said.

He was discovered in possession of a firearm similar to that used to shoot Thompson, a fake N.J. ID used to check into a hostel where the shooter allegedly stayed, anda manifestocritical of the health insurance industry, police say.

Luigi Mangione.NYPDnews/X

NYPDnews/X

Kenny said the ghost gun — an untraceable firearm, often assembled from kits or 3D-printed — “may have been made on a 3D printer.”

The gun was “capable of firing a 9 mm round,” Kenny said. Confirmation of that “will come out in testing.”

AnX accountbelonging to a Luigi Mangione describes him as a Honolulu, Hawaii, resident with a bachelor’s and master’s degree in computer science from the University of Pennsylvania.

Thompson was fatally shot outside the New York Hilton Midtown hotel, where the CEO was attending a company investors' conference. The hooded, masked suspect fled the scene on a bike, with police losing track of him in Central Park.

source: people.com