Graduated cum laude from the University of Pennsylvania with a BSE in computer engineering and an MSE in computer and information science. Worked as a data engineer for TrueCar until 2023. Suffers from spondylolisthesis and Lyme disease. Reported missing by his mother in November 2024. Alleged Role in the Killing of Brian Thompson, CEO of UnitedHealthcare, was shot and killed on December 4, 2024. Mangione was arrested on December 9, 2024, in Altoona, Pennsylvania. Faces multiple state and federal charges, including first-degree murder and murder in furtherance of terrorism. Viewed as a folk hero by many online, with significant social media following and fundraising efforts for his legal defense.