The 26-year-old denies multiple counts of murder and an act of terrorism over the fatal shooting of Brian Thompson in Manhattan last December.

The accused faces federal charges that could carry the possibility of the death penalty.

Luigi Mangione faced a hearing on Friday as supporters planned a rally outside a Manhattan courthouse. Some Americans have found a hero in the man accused of vigilante murder.

Luigi Mangione, charged with the murder of UnitedHealthcare CEO Brian Thompson, pleads not guilty. His court appearance raises questions about a possible psychiatric defense and potential plea deal negotiations.

Feb. 21 (UPI) -- Luigi Mangione on Friday appeared in court in New York City, where he faces state charges of murder and terrorism in the December killing of UnitedHealthcare CEO Brian Thompson.

Mangione, who has yet to enter a plea on federal murder charges, has pleaded not guilty to 11 state charges related to the fatal shooting of UnitedHealthcare’s CEO.

The man accused of fatally shooting the CEO of UnitedHealthcare in New York City and leading authorities on a five-day manhunt is scheduled to be in court for the first time since his December arraignment on state murder and terror charges.

A leading defense lawyer has revealed how Luigi Mangione could walk free, despite the apparent weight of evidence against him.

The man accused of fatally shooting the CEO of UnitedHealthcare in New York City and leading authorities on a five-day manhunt is scheduled to be in court for the first time since his December arraignment on state murder and terror...