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

The man accused of killing UnitedHealthcare CEO Brian Thompson remains behind bars after pleading not guilty to murder and ...

A triptych of criminal charges paints a searing, sometimes disparate portrait of the man accused of ambushing and killing ...

The attorney for Luigi Mangione, who has been accused of killing UnitedHealthcare CEO Brian Thompson, slammed New York City ...

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

The Ivy League-educated suspect is accused of gunning down UnitedHealthcare CEO Brian  Thompson on a Midtown Manhattan sidewalk.

The man accused of killing United HealthCare CEO Brian Thompson appeared in a New York City courtroom to enter his plea. He ...

The man accused of shooting and killing United Healthcare CEO Brian Thompson was in court. Luigi Mangione faced a Manhattan ...

Luigi Mangione, the 26-year-old accused of killing UnitedHealthcare CEO Brian Thompson, has pleaded not guilty to all 11 ...

Luigi Mangione pleaded not guilty to first-degree murder and terror offenses in Manhattan Supreme Court Monday stemming from ...

The man accused of fatally shooting the CEO of UnitedHealthcare has pleaded not guilty to murder and terror charges in a ...

For weeks now, the country has been captivated by Luigi Mangione, the suspected killer of UnitedHealthcare CEO Brian Thompson. Now that Mangione has been arrested for the murder, he will have to face ...