Luigi Mangione, the prime suspect in the shocking murder of UnitedHealthCare CEO Brian Thompson, faced a New York courtroom surrounded by a convoy of armed guards. Prosecutors allege that Mangione meticulously planned the crime, fueled by his deep-seated anger toward the health insurance industry. Adding fuel to the fire, investigators uncovered a notebook containing chilling threats and detailed plans. With the possibility of federal death penalty charges looming, this case has captured national attention. Dive into the gripping details of this high-profile courtroom drama!