Luigi Mangione dons new look pleading not guilty to murdering healthcare CEO in federal court

Luigi Mangione donned a different look while pleading not guilty to federal charges than when he appeared for a hearing in February wearing preppy clothes (Picture: AP)Luigi Mangione has pleaded not guilty to federal murder and stalking charges in connection with the killing of a UnitedHealthcare CEO.Mangione had visibly shorter hair while appearing in a Manhattan federal court on Friday morning with his legs shackled and hands cuffed.He wore mustard-colored prison clothing and a thermal white