- UnitedHealthcare murder suspect Luigi Mangione pleads not guilty in New York The Washington Post
- Luigi Mangione Pleads Not Guilty to N.Y. Charges in UnitedHealthcare CEO Killing The New York Times
- How New York prosecutors used a terrorism law in the charges against Luigi Mangione The Associated Press
- News Wrap: Luigi Mangione pleads not guilty to murdering head of United Health Care PBS NewsHour
- Luigi Mangione enters not guilty plea in CEO killing Newsday