US: Luigi Mangione Pleads Not Guilty to Federal Charges in Killing of UnitedHealthcare CEO 2 min read US NEWS US: Luigi Mangione Pleads Not Guilty to Federal Charges in Killing of UnitedHealthcare CEO April 26, 2025 New York [US], April 26 (ANI):Luigi Mangione, the man accused of killing UnitedHealthcare CEO Brian Thompson in... Read More Read more about US: Luigi Mangione Pleads Not Guilty to Federal Charges in Killing of UnitedHealthcare CEO