Luigi Mangione pleaded not guilty to New York State charges in the killing of UnitedHealthcare CEO Brian Thompson on Monday.

Mangione's initial appearance in New York's state trial court was preempted by federal prosecutors bringing their own charges ...

Luigi Mangione is due in a New York courtroom to face state charges in the murder of UnitedHealthcare CEO Brian Thompson.

The suspect in the fatal shooting of UnitedHealthcare CEO Brian Thompson also faces federal charges and state charges in ...

Luigi Mangione pleads not guilty as he faces the prospect of life in prison without parole on charges including murder in the ...

Luigi Mangione, the man suspected of fatally gunning down UnitedHealth Group chief executive Brian Thompson on a Manhattan ...