Mangione is accused of gunning down Thompson as he walked to an investor conference in Midtown Manhattan on Dec. 4.

Luigi Mangione faces 11 state charges, including murder and terrorism. The maximum New York sentence is life without parole ...

Mangione comes from one of the wealthiest families in Baltimore and was valedictorian at the elite Gilman School in Towson.

Luigi Mangione pleaded not guilty Monday to New York state murder and terrorism charges.Mangione, a 26-year-old Baltimore ...

Luigi Mangione pleaded not guilty Monday to New York state murder and terrorism charges. Mangione, a 26-year-old Baltimore ...

The suspect accused of shooting dead the chief executive of UnitedHealthcare has pleaded not guilty to 11 murder and terror ...

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