Luigi Mangione arraigned in Manhattan court on murder and terror charges

He will face two trials for his alleged crimes: a state case and a federal prosecution, which will run parallel

Suspect Luigi Mangione is taken into the Blair County Courthouse December 10 (Benjamin B Braun/Pittsburgh Post-Gazette via AP)

The man accused of fatally shooting the chief executive of UnitedHealthcare is expected to be arraigned in a Manhattan court on murder and terror charges on Monday.

Luigi Mangione, 26, was formally charged last week by the Manhattan district attorney with multiple counts of murder, including murder as an act of terrorism.