Luigi Mangione cut off contact with his family and friends six months ago, a senior law enforcement official tells PEOPLE.

Luigi Nicholas Mangione, suspect in the killing of UnitedHealthcare CEOBrian Thompson, contested his extradition to New York ...

Police arrested a suspect in the brazen Manhattan killing of UnitedHealthcare’s CEO after a McDonald’s customer in Altoona, ...

Police charged 26-year-old Luigi Mangione in connection with the killing of UnitedHealthcare CEO Brian Thompson.

New York police say the suspect first arrived in the city on 24 November, in the busy run-up to the Thanksgiving holiday. He ...

The man suspected of killing UnitedHealthcare CEO Brian Thompson last week has been charged with murder in New York City.

New York Police released images showing the face of someone they sought for questioning after Brian Thompson, the ...

NEW YORK (AP) — As the investigation into a masked gunman who stalked and killed the head of one of the largest U.S. health ...

A suspect who fatally shot the CEO of UnitedHealthcare on Wednesday morning rode a Greyhound bus from Atlanta to New York ...

NYPD Commissioner Jessica Tisch told CNN the department had "reason to believe" the suspect has left the city.

The man suspected of gunning down UnitedHealthcare CEO Brian Thompson outside a Midtown Manhattan hotel took a taxi to the ...

The FBI announced Friday night it was offering a $50,000 reward for information leading to an arrest and conviction.