Mangione Pleads Guilty; State Murder Case in Doubt

Luigi Mangione, 28, pleaded guilty Friday to federal charges in the killing of UnitedHealthcare CEO Brian Thompson and admitted the shooting in open court.

"On the morning of December 4, 2024, I shot Mr. Thompson in Manhattan and he died," he told a federal courtroom, with Thompson's family, including his widow, in the front row.

U.S. District Judge Margaret Garnett set sentencing for December 18. Mangione faces a maximum of life in prison.

The new fight is over what is left. Within an hour of the plea, his lawyers asked a New York state judge to throw out the pending second-degree murder and weapons charges, arguing the state prosecution is double jeopardy.

What He Still Faces

The guilty plea ends the federal case against Mangione on two stalking charges, whose trial had been scheduled for January 2027. It does not end everything else.

He still faces eight charges in the New York state indictment before Judge Gregory Carro, with jury selection set to begin September 8. He also has a pending Pennsylvania state case stemming from his arrest, according to a statement from Thompson's family.

There was no plea agreement with prosecutors. Manhattan's lead federal prosecutor, James McDonald, said Friday: "While the defendant pled guilty, our office does not have a plea agreement with him. There are no accommodations or concessions, and we are free to seek the maximum penalty under the law."

The Double Jeopardy Question

Double jeopardy is the Fifth Amendment protection against being punished twice for the same offense. Because Mangione was charged by two separate sovereigns — the federal government and New York State — each normally gets its own shot. His defense argues New York's own statute goes further than the Constitution, barring a second prosecution based on the same act or criminal transaction even when the offenses differ.

The defense filing accuses federal and state prosecutors of coordinating their cases "to maximize the punitive effectiveness of the two cases at the expense of Mr. Mangione," and claims they agreed to let the state case go first to evade double jeopardy protections. "This coordinated deal between them had a specific purpose: The scheme was designed solely to ensure dual successive prosecutions, in order to attempt to avoid double jeopardy protections," the filing said.

Prosecutors are expected to argue the stalking conduct charged federally was a prelude to the murder and is not the same act as pulling the trigger.