Luigi Mangione, the suspect in the murder of UnitedHealthcare CEO Brian Thompson, has retained a prominent legal team, including veteran former prosecutor Karen Friedman Agnifilo, as he faces second-degree murder charges. Reports indicate that Mangione has bolstered his defense with experienced attorneys familiar with the New York legal landscape, amidst claims linking him to the crime scene through fingerprints and a firearm. The legal team is expected to play a crucial role as he prepares for extradition to New York to face these serious charges.