New York, December 23: The man accused of fatally shooting the CEO of UnitedHealthcare pleaded not guilty on Monday to murder and terror charges in a state case that will run parallel to his federal prosecution. Luigi Mangione, 26, was shackled and seated in a Manhattan court when he leaned over to a microphone to enter his plea. He was formally charged last week by the Manhattan district attorney with multiple counts of murder, including murder as an act of terrorism. Luigi Mangione Indicted for UnitedHealthcare CEO Brian Thompson’s Murder in Manhattan; Charges Include ‘Terrorism’ (Watch Video).

His initial appearance in New York's state's trial court was preempted by federal prosecutors bringing their own charges over the shooting. The federal charges could carry the possibility of the death penalty, while the maximum sentence for the state charges is life in prison without parole. Prosecutors have said the two cases will proceed on parallel tracks, with the state charges expected to go to trial first.

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