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What investigators uncovered on Mangione raises alarms about his intentions. They discovered multiple items, including a 3D-printed gun—a so-called ghost gun—alongside ammunition and cash, implying he may have been anticipating further violence. Furthermore, the discovery of a manifesto detailing his disdain for the healthcare industry is particularly disturbing. Quotes like “these parasites had it coming” accompanied by phrases indicating he felt justified in his violent actions suggest a pre-mediated mindset.
Mary Ellen, a commentator, noted that Mangione’s cooperative demeanor upon arrest belied his previously violent conduct. He seemed aware of his identity but fundamentally nervous when questioned, indicating a potential sense of guilt or awareness of his actions.