TMZ Investigates: Luigi Mangione: The Mind of a Killer

TMZ Investigates how Luigi Mangione, a man with all that privilege, turned into an assassin... and why he did it. TMZ exclusively speaks to several sources who say, despite his charismatic personality, Mangione also displayed a dark side and uncovers shocking new details about how he became enraged by corporate greed before quietly plotting to kill a healthcare CEO.