By Jonathan Dienst, Adam Reiss, Erica Byfield, Matt Lavietes, and Chloe Atkins
Luigi Mangione is expected to plead guilty on Friday to federal charges connected to the 2024 killing of UnitedHealthcare CEO Brian Thompson in Manhattan, according to sources familiar with the matter.
The anticipated plea change comes less than a month before Mangione, 28, is scheduled to go on trial in a state murder case over the fatal shooting of Thompson, 50, a father of two.
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Final Preparations and Plea Deal Details
According to a source familiar with the situation, Luigi Mangione was meeting with his legal team this morning at the Metropolitan Detention Center in Brooklyn ahead of tomorrow’s federal court hearing in Manhattan.
Lawyers representing Mangione declined to comment on the matter, as did the Justice Department and a court spokesperson.
It remains unclear whether Mangione will plead guilty to one or both of the two stalking-related charges in his federal case. While specific details regarding the plea are not immediately clear, he retains the ability to reverse his decision at any time, even during the court proceeding.
Sources familiar with the case emphasized that plea negotiations remain ongoing and nothing is finalized until Mangione personally accepts or enters into a plea agreement. If convicted, he could face a life sentence. Defense lawyers previously held discussions with federal prosecutors regarding a potential plea deal before the scheduled hearing, with an agreement appearing close at least once.
Legal Implications and Double Jeopardy Debate
Legal experts note that plea negotiations are standard practice prior to most trials. NBC News legal analyst Danny Cevallos indicated that if a plea deal is finalized in the federal case, New York law might bar a subsequent state prosecution for the same conduct.
The Justice Department initially sought the death penalty for Mangione in the federal case, a move blocked in January by U.S. District Judge Margaret Garnett.
If Mangione pleads guilty to the federal charges, his defense team is expected to seek the dismissal of some or all charges in his state case, where jury selection is scheduled to begin next month. The Manhattan District Attorney’s Office declined to comment.
Should a federal guilty plea occur, Mangione’s lawyers could take steps to dismiss the state case on double jeopardy grounds.
Key Legal Issues in the Parallel Cases
- Federal Stalking vs. State Murder: State prosecutors could argue that the federal stalking charges and the state murder case address distinct legal harms. Federal stalking statutes focus on alleged interstate stalking, whereas New York’s murder laws target the intentional killing of a victim.
- Weapons Charges: The state may also assert that the state weapons charges involve different legal elements not covered by the federal stalking case.
- Previous Rulings: In the state case, Mangione pleaded not guilty to eight felony charges, including second-degree murder and several counts of criminal possession of a weapon. A conviction in the New York case carries a maximum sentence of life in prison.
- Defense Position: Mangione’s defense team has maintained since the inception of both cases that their client faces double jeopardy. Justice Gregory Carro, presiding over the state case, previously ruled that the argument was premature while the federal proceedings remained unresolved.
The Circumstances of the Shooting and Aftermath
Mangione is accused of shooting Thompson as the executive walked alone outside the Hilton Hotel in midtown Manhattan in December 2024, just hours before UnitedHealthcare was scheduled to host an investor conference at the venue.
A dayslong, multistate manhunt for the masked gunman captured on surveillance footage executing the attack on the street drew global attention.
The search concluded with Mangione’s arrest at a McDonald’s restaurant in Altoona, Pennsylvania. Following his arrest, authorities confiscated a notebook allegedly belonging to Mangione, which prosecutors state contained explicit plans to kill Thompson.
Thompson’s death and Mangione’s subsequent arrest sparked widespread public debates concerning the U.S. healthcare system and its high costs. Mangione has since gained a following among some members of the public and has been cited by individuals charged in unrelated crimes, with supporters regularly attending his pretrial court appearances.



