NEW YORK – Luigi Mangione is set to appear in federal court this Friday for a hearing where he is expected to plead guilty in connection with the 2024 killing of Brian Thompson, the CEO of UnitedHealthcare. This information comes from a source familiar with the case, who asked to remain anonymous due to the sensitivity of the matter.
Mangione, who is 28 years old, has been charged with ambushing Thompson, 50, outside a hotel in New York City on December 4, 2024. At that time, Thompson was heading to UnitedHealth Group’s annual investor conference. If Mangione goes through with the plea, it could have significant implications for both his federal and state cases.
Previously, discussions about a plea deal in June fell apart, so it remains uncertain whether Mangione will ultimately plead guilty. His lawyers, along with the Justice Department, did not comment on the upcoming hearing, which was requested by both sides earlier this week.
Currently, Mangione faces two federal charges related to stalking Thompson with the intent to provoke his death. Both federal and state cases could result in a life sentence for him. Earlier this year, a federal judge dismissed additional charges that could have led to a potential death penalty.
In February, Mangione expressed his frustration about facing two trials, stating, “It’s the same trial twice. One plus one is two. Double jeopardy by any commonsense definition.” This refers to the legal principle that prohibits an individual from being tried twice for the same crime.
If Mangione pleads guilty in the federal case, it might prevent the state prosecution from moving forward, as New York law includes double jeopardy protections. This means that if a jury has been sworn in a prior prosecution, like a federal case, the state case could be barred.
In a letter sent last month, state prosecutors objected to the idea that a guilty plea in federal court could dismiss the state charges against Mangione.
U.S. District Judge Margaret M. Garnett has made several rulings that have affected the defense’s strategy. For instance, she allowed prosecutors to use evidence collected from Mangione’s backpack during his arrest, which included a 3D-printed pistol that reportedly matched the weapon used to kill Thompson, as well as a notebook where Mangione allegedly detailed his intent to kill an insurance executive.
Initially, Mangione’s lawyers indicated they would use a psychiatric defense in the state case, claiming he was suffering from extreme emotional disturbance at the time of the killing. However, they reversed this decision shortly after, as this type of defense is not permitted in federal court.
Surveillance footage from the incident captured a masked gunman shooting Thompson from behind. Interestingly, the ammunition used had phrases like “delay,” “deny,” and “depose” written on it, which mimic terms often associated with how insurance companies might avoid paying claims.
Mangione, who graduated from the University of Pennsylvania and comes from a wealthy family in Maryland, was arrested five days after the killing at a McDonald’s in Altoona, Pennsylvania, which is approximately 230 miles west of Manhattan. His case has drawn public attention and has become a rallying point for some individuals critical of the health insurance industry.
As the court date approaches, many will be watching closely to see how this high-profile case unfolds.
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Durkin Richer reported from Washington.

