Federal Prosecutors Won't Appeal Ruling Barring Death Penalty in Luigi Mangione Case

Judge's decision clears the way for a trial beginning in September, with state murder trial set for June.

Published on Feb. 28, 2026

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Federal prosecutors have announced they will not appeal a judge's ruling that bars them from seeking the death penalty against Luigi Mangione in the killing of UnitedHealthcare CEO Brian Thompson. The judge had dismissed a federal murder charge that would have enabled prosecutors to seek capital punishment, finding it legally flawed. Mangione, who has pleaded not guilty, is now facing state murder charges that also carry the possibility of life in prison, with his federal trial scheduled to begin in September and his state trial set for June.

Why it matters

The judge's decision disrupts the Trump administration's bid to see Mangione executed for what was called a 'premeditated, cold-blooded assassination.' It highlights the complex legal issues surrounding capital punishment cases and the challenges prosecutors can face in seeking the death penalty, even in high-profile cases.

The details

In her ruling, the judge found that the federal murder charge through use of a firearm, which would have enabled prosecutors to seek capital punishment, was legally flawed. She also threw out a gun charge but left in place stalking charges that carry a maximum punishment of life in prison. Prosecutors needed to show that Mangione killed Thompson while committing another 'crime of violence,' but the judge determined that stalking does not fit that definition.

  • Mangione's federal trial is scheduled to begin on September 8, 2026, with opening statements and testimony starting on October 13.
  • Mangione's state murder trial is set to start on June 8, 2026, but the judge in that case said it could have been pushed back until September 8 if federal prosecutors had appealed the death penalty ruling.

The players

Luigi Mangione

A 27-year-old University of Pennsylvania graduate from a wealthy Maryland family, who has pleaded not guilty to the federal and state charges.

Brian Thompson

The 50-year-old CEO of UnitedHealthcare who was killed on December 4, 2024, as he walked to a midtown Manhattan hotel for UnitedHealth Group's annual investor conference.

Judge Margaret Garnett

A former Manhattan federal prosecutor appointed to the bench by President Joe Biden, who issued the ruling barring the death penalty.

Sean Buckley

The Deputy U.S. Attorney who told Judge Garnett that the government will not appeal her decision.

Pam Bondi

The U.S. Attorney General under the Trump administration who called the killing a 'premeditated, cold-blooded assassination that shocked America.'

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What they’re saying

“It's the same trial twice. One plus one is two. Double jeopardy by any commonsense definition.”

— Luigi Mangione (Court hearing)

“The law must be the Court's only concern.”

— Judge Margaret Garnett (Ruling)

What’s next

The judge in the case will decide on Tuesday whether or not to allow Luigi Mangione out on bail.

The takeaway

This case highlights the complex legal issues surrounding capital punishment cases and the challenges prosecutors can face in seeking the death penalty, even in high-profile cases. The judge's decision to bar the death penalty in this case reflects a commitment to faithfully applying the dictates of the Supreme Court, even if the result may seem contrary to intuitions about the criminal law.