Luigi Mangione, the accused killer of UnitedHealthcare CEO Brian Thompson, is expected to appear on state murder and terrorism charges in Manhattan on Monday — after being separately charged with federal death penalty-eligible offenses following his climactic return to New York City.

The man accused of gunning down United Healthcare’s CEO outside a Manhattan hotel is now jailed in New York, awaiting arraignment Monday on a state murder indictment after he was returned to the city in dramatic fashion to face charges in multiple courts.