In a sudden, high-stakes turn in one of the most closely tracked criminal cases in modern U.S. history, 28-year-old Luigi Mangione pleaded guilty in Manhattan federal court on Friday, openly admitting to the fatal shooting of UnitedHealthcare CEO Brian Thompson. Appearing before U.S. District Judge Margaret Garnett in tan prison scrubs with his hands and feet in shackles, Mangione formally admitted to two federal stalking charges resulting in death.
The plea abruptly halts what was set to be a massive federal trial early next year. Under federal guidelines, the Ivy League graduate now faces a maximum penalty of life in prison without parole, with sentencing set for December 18. Speaking directly to the court, Mangione walked through what drove him to the attack, describing years of debilitating chronic back pain and mounting fury over the systemic roadblocks within the American private health insurance industry.
He admitted that after tracking down non-public details about UnitedHealth Group’s annual investor conference in Manhattan, he posed as a prospective investor over email to gather logistical specifics. Armed with a 3D-printed firearm, ammunition, and a suppressor, he traveled to New York with the explicit plan to ambushing Thompson outside the Midtown hotel hosting the summit. Standing at the podium, he acknowledged knowing his actions were illegal and intended to be lethal.
Thompson was gunned down on a busy sidewalk in December 2024, sparking an intense five-day nationwide search that ended when police picked up Mangione at a McDonald's in Altoona, Pennsylvania. Officers recovered a 3D-printed ghost gun linked to the crime scene, along with handwritten notes railing against corporate healthcare profits and insurance claim denials.
The brazen morning shooting quickly became a flashpoint across the country, turning Mangione into a deeply polarizing figure amid widespread public frustration over medical debt and coverage rejections. Friday's federal plea immediately sets off a new legal fight at the state level. Mangione’s defense attorneys moved quickly to file a motion to dismiss separate New York state second-degree murder charges slated for trial in September, arguing that proceeding with a state prosecution would violate New York's statutory double-jeopardy protections.
The Manhattan District Attorney’s office pushed back immediately, maintaining that the state murder indictment covers distinct legal offenses that must still be tried. Thompson’s family, seated in the front row of the courtroom throughout the proceeding, released a statement thanking federal prosecutors for securing justice while urging the judge to hand down the harshest sentence available under the law.