Luigi Mangione, accused of fatally shooting UnitedHealthcare CEO Brian Thompson, appears in Manhattan state court in New York, Tuesday, September 16, 2025. CURTIS MEANS / AP

The trial of Luigi Mangione, accused of gunning down an insurance industry executive, will start on December 1, the state court judge in the case said on Tuesday, September 16. Mangione appeared in court wearing a beige jumpsuit and shackles, flanked by armed police and court officers, stopping to smile and nod at a young woman in the front row as he was led out.

His appearance in a Manhattan courthouse is a reminder of the string of political violence that has rocked the United States in recent times, including the December 4 slaying of insurance executive Brian Thompson.

That has been followed by a number of other incidents, including the murder of a Minnesota state lawmaker and her husband, the firebombing of the Pennsylvania governor's home and most recently, the assassination of conservative activist Charlie Kirk.

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