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

Luigi Mangione, the suspect in the fatal shooting of UnitedHealthcare CEO Brian Thompson on a busy sidewalk in Midtown ...

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

Luigi Mangione, the man accused of shooting and killing UnitedHealthcare CEO Brian Thompson, appeared in a New York City ...

Luigi Mangione, the man accused of fatally gunning down health insurance executive Brian Thompson on a Manhattan street, ...

Luigi Mangione's lawyer Karen Agnifilo called out New York City's Mayor Eric Adams for subjecting the accused murderer of "perp walks" she says are "unconstitutional.” ...

Luigi Mangione, the man accused of fatally gunning down health insurance executive Brian Thompson on a Manhattan street, ...

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

The 26-year-old suspect accused of gunning down UnitedHealthcare CEO Brian Thompson on a street in midtown Manhattan, Luigi ...

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

As investigators continue to determine the motives and mindset that allegedly prompted Luigi Mangione to gun down ...

The man accused of fatally shooting the CEO of UnitedHealthcare pleaded not guilty on Monday to state murder and terror ...