The search for UnitedHealthcare CEO Brian Thompson’s killer has stretched into a fifth day — and beyond New York City.

He was arraigned and jailed without bail. Authorities said they found a 3D-printed handgun and a silencer when ...

The man suspected of gunning down UnitedHealthcare CEO Brian Thompson remains at large one day after the shooting outside a ...

Luigi Mangione, a 26-year-old Ivy League graduate and former valedictorian, has been arrested in Pennsylvania in connection with the brazen shooting of UnitedHealthcare CEO Brian Thompson in Midtown ...

Video captured the moment the gunman walked up behind the CEO outside the Hilton in Midtown Manhattan, pointed his gun at him ...

Here's what we know about a 26-year-old University of Pennsylvania graduate who's suspected in the death of UnitedHealthcare ...

NEW YORK -- New York police detectives arrived in Atlanta on Saturday following a large number of tips linked to the as-yet-unidentified suspect wanted in Wednesday's fatal shooting of ...

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 man charged with murder for gunning down UnitedHealthcare CEO Brian Thompson was arrested and charged after the shooting outside a Hilton Hotel in Midtown Manhattan.

A man captured in Altoona, Pa., was charged with murder in connection with Mr. Thompson’s killing outside a hotel in Midtown Manhattan.

Luigi Mangione faces a murder charge in New York. He was arraigned in a courthouse near Altoona, Pennsylvania, and denied ...

In addition to the murder charge, Mangione faces an additional four charges in New York, online court records show.