A banner displays a picture of Luigi Mangione, who is accused of killing UnitedHealthcare chief executive Brian Thompson, outside Manhattan Criminal Court in New York, on Monday.

Luigi Mangione, the man accused of gunning down a UnitedHealthcare executive outside a Manhattan hotel, is due in state court on Monday for a series of high-stakes hearings on the admissibility of key pieces of evidence at his murder trial.

Mangione, 27, was arrested in December, 2024, and charged with fatally shooting UnitedHealthcare CEO Brian Thompson on a sidewalk in Midtown Manhattan. Public officials condemned the shocking assassination. Mangione became a folk hero to some Americans who decry steep health care costs. He has pleaded not guilty to murder and other charges and is expected to face trial next y

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