Judge delays Luigi Mangione’s state murder trial after double jeopardy claim
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Mangione’s trial on a second-degree murder charge in the 2024 killing of UnitedHealthcare CEO Brian Thompson was scheduled to begin next month, but on Monday, New York state Justice Gregory Carro gave prosecutors until Oct. 9 to respond to a double jeopardy motion filed Friday by Mangione’s attorneys .
That filing argued for dismissal of the state charges after Mangione pleaded guilty to federal stalking crimes .
Luigi Mangione during a pretrial hearing at New York State Supreme Court on Aug. 11, 2026. David Dee Delgado / Reuters / Bloomberg via Getty Images In addition to second-degree murder, Mangione was also charged with multiple gun possession counts. He pleaded not guilty.
New York State has a double jeopardy statute that is viewed as friendly to the defense and allows them to argue for dismissal even if the federal and state charges were not the same, legal experts told NBC News.
The Manhattan District Attorney’s Office declined to comment Monday. In a statement Friday, a spokesperson for the office said it was prepared to litigate the double jeopardy motion and remain “committed to seeking justice for Mr. Thompson and his family.”
A source familiar with the Manhattan district attorney’s office’s discussions told NBC News on Friday that it intended to fight the double jeopardy motion until it sees the sentencing outcome in the federal trial.
Prosecutors have said they will seek a life term for Mangione. His sentencing, which will be determined by a judge, is scheduled for Dec. 18.
Why did Luigi Mangione plead guilty to federal charges?
Mangione’s attorneys have long argued that he is a victim of double jeopardy. Carro previously said that argument was premature because the federal case was not resolved.
During Friday’s hearing, Mangione detailed his plan to kill Thompson and admitted that he fatally shot him. Mangione said he was motivated to carry out the killing because of his experience with the healthcare system.
He revealed that in an email to UnitedHealthcare leadership, he posed as an investor who managed over $50 billion in assets. He told the court that he wrote that message in an effort to confirm the location of the investors conference that Thompson was attending on Dec. 4., 2024.
Thompson was gunned down on a Manhattan street outside that conference.
In a statement after his guilty plea, Thompson’s family said they were grateful the federal justice system had held Mangione accountable.
“Now we look to the court to ensure that sentencing reflects the severity of this crime,” they said.
Mangione’s attorneys have until Oct. 30 to respond to prosecutors. His next court date is scheduled for Dec. 10.
Share Add to Google Tim Stelloh Tim Stelloh is a breaking news reporter for NBC News Digital.
Adam Reiss Adam Reiss is a reporter and producer for NBC and MSNBC.
Chloe Atkins Chloe Atkins reports for the NBC News National Security and Law Unit, based in New York.
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