the person suspected of killing United Healthcare CEO is charged with murder here’s what we know about him so far 26-year-old Luigi Nicholas mangion is from a prominent Maryland real estate family and is also the cousin of a current Maryland legislator he was the valorian at his Elite Baltimore prep school and went on to earn undergraduate and graduate degrees in computer science from the University of Pennsylvania he had severe back pain from childhood that interfered with many aspects of his life according to the NYPD mangioni had a three-page handwritten document that showed some ill toward Corporate America it also had a line that said quote these parasites simply had it coming police will be looking into finding new clues that might link him to the shooting