- CEO killing suspect Luigi Mangione pleads not guilty in Manhattan court to state murder charges ABC News
- Luigi Mangione Pleads Not Guilty to N.Y. Charges in UnitedHealthcare CEO Killing The New York Times
- Luigi Mangione pleads not guilty to state murder and other charges in the killing of UnitedHealthcare’s CEO WBAL TV Baltimore
- Luigi Mangione, CEO killing suspect, pleads not guilty to state terror and murder charges CNN
- Luigi Mangione to be arraigned in New York on state charges in CEO murder WPVI-TV