Mangione Pleads Guilty in Federal Case; State Case Pending

Luigi Mangione pleaded guilty in federal court to interstate stalking resulting in death and stalking through interstate facilities for the December 2024 killing of UnitedHealthcare CEO Brian Thompson, including traveling to New York, posing as an investor, and using a 3-D printed gun with a silencer to shoot Thompson outside a Manhattan hotel. He is scheduled for a December 18, 2026 sentencing with a potential life sentence. The plea ends the federally charged portion of the case, but Mangione still faces state charges, including second-degree murder and seven weapons counts, with a separate state trial planned. Prosecutors have presented evidence including surveillance video, his bicycle escape, DNA, shell casings, and recovered items from his Altoona, Pennsylvania arrest; Mangione reportedly admitted to making the weapon and planning the attack for years. Thompson’s family attended the hearing and urged a sentence reflecting the crime’s seriousness. Mangione’s defense is pursuing suppression of evidence and raising double jeopardy concerns in light of the federal plea.