NEW YORK — Luigi Mangione pleaded guilty Friday to federal stalking charges connected to the 2024 killing of UnitedHealthcare CEO Brian Thompson, a major development that could complicate the separate murder case still pending against him in New York state court.
Mangione, 28, appeared in Manhattan federal court on August 14 and admitted that he deliberately tracked Thompson before fatally shooting him on a Midtown Manhattan street on December 4, 2024. Thompson had been in New York for UnitedHealthcare’s annual investor conference.
During the hearing, Mangione acknowledged that he traveled to New York intending to target Thompson. He told the court that he had researched the company’s conference and contacted UnitedHealthcare while posing as an investor in an effort to obtain information about the event. He also acknowledged producing a firearm using a 3-D printer and attaching a silencer.
Mangione admitted responsibility for the shooting, telling the judge that he understood his conduct was illegal. His statements marked a significant reversal after previously fighting the federal charges.
Members of Thompson’s family attended the hearing and watched from the courtroom as Mangione entered his guilty plea. The family later described the plea as an important step toward accountability while emphasizing that additional legal proceedings remain.
Federal Case Could Bring Life in Prison
Mangione pleaded guilty to two federal stalking offenses resulting in death. Both charges carry the possibility of life imprisonment. Earlier federal murder and firearms counts that could have exposed him to the death penalty had been dismissed by the federal judge.
Federal prosecutors are expected to seek a life sentence. Mangione’s sentencing is scheduled for December 18, 2026.
His guilty plea was entered without a plea agreement with federal prosecutors, meaning the judge will ultimately determine his punishment.
What Happens to the New York Murder Case?
The federal plea immediately raises questions about Mangione’s separate prosecution in New York.
He still faces state charges, including second-degree murder and weapons offenses, stemming from Thompson’s killing. His state trial has been scheduled to begin with jury selection on September 8.
Mangione’s attorneys are seeking dismissal of the state case, arguing that proceeding with another prosecution based on the same underlying conduct would violate protections against double jeopardy. Manhattan prosecutors oppose that argument and have indicated they intend to continue pursuing the state case.
A state judge will ultimately have to determine whether Mangione’s federal guilty plea changes the legal landscape enough to affect the upcoming murder trial.
A Case That Captured National Attention
Thompson’s killing triggered a nationwide manhunt and quickly became one of the country’s most closely watched criminal cases.
Mangione was arrested several days after the shooting in Pennsylvania. The case subsequently generated an intense public debate surrounding America’s health insurance system, corporate responsibility and the limits of political protest.
During Friday’s hearing, Mangione again referred to his frustrations with the health care and insurance system. But his guilty plea represented an explicit acknowledgment in federal court that he intentionally pursued Thompson and carried out the fatal attack.
The federal prosecution is now moving toward sentencing, while the battle over whether New York can proceed with its own murder case is far from settled.
The Haitian Tribune | New York




