Luigi Mangione, accused of murdering UnitedHealth executive Brian Thompson outside a Manhattan hotel, is fighting extradition from Pennsylvania, where he was arrested. Denied bail, he faces charges including murder, possession of an unlicensed firearm, and forgery. Investigators are exploring his recent activities and potential accomplices. Mangione, who holds dual engineering degrees, is believed to have targeted Thompson deliberately amid reported grievances against corporate America. His family is shocked by his arrest, expressing condolences to Thompson’s family, who was in New York for a company event.