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Luigi Mangione Pleads Not Guilty as DOJ Pursues Rare Federal Death Penalty

The accused killer of UnitedHealthcare CEO Brian Thompson faces federal and state charges, with prosecutors alleging an ideologically motivated assassination.

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Luigi Mangione, the suspect in the killing of UnitedHealth Group chief executive Brian Thompson, appears in Manhattan Supreme Court on New York state murder and terrorism charges in New York City, U.S., February 21, 2025. Curtis Means/Pool via REUTERS/File Photo
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Overview

  • Luigi Mangione, 26, entered a not guilty plea on April 25, 2025, to federal charges including murder through use of a firearm, stalking, and weapons offenses.
  • Federal prosecutors formally filed notice to seek the death penalty, marking the first such case under Attorney General Pam Bondi in a non-death-penalty state in over a decade.
  • Authorities allege Mangione planned the December 2024 killing as an act of political violence, citing writings expressing hostility toward the health insurance industry.
  • The defense argues the death penalty pursuit is politically motivated and seeks to prioritize the federal trial over state proceedings due to capital punishment implications.
  • Mangione’s next federal court date is set for December 5, 2025, with the trial expected to begin in 2026.