Luigi Mangione Pleads Not Guilty to Charges in Killing of UnitedHealthcare CEO

Luigi Mangione

Federal prosecutors push for the death penalty in the high-profile case involving the fatal shooting of healthcare executive Brian Thompson.

Key DetailInformation
DefendantLuigi Mangione
Age26
VictimBrian Thompson, CEO of UnitedHealthcare
Date of IncidentDecember 4, 2024
Location of IncidentManhattan, New York
Current Charges (Federal)– Stalking (2 counts)
– Murder using a firearm
– Firearm with silencer
Federal Penalty SoughtDeath penalty
Other State Charges– First-degree murder (terrorism-related)
– Second-degree murder (2 counts)
– Weapons violations
– Forged instrument use
Plea EnteredNot Guilty
Arrest LocationAltoona, Pennsylvania (at a McDonald’s)
Next Federal Court DateDecember 5, 2025
Special NotesPossible violation of attorney-client privilege during recorded call

Luigi Mangione has entered a not guilty plea to multiple federal charges, including murder and stalking, in connection with the shooting death of UnitedHealthcare CEO Brian Thompson. The 26-year-old appeared in Manhattan federal court on Friday, where prosecutors revealed their intent to seek the death penalty.

Court Appearance and Plea

Dressed in mustard-colored prison clothes over a white thermal shirt, Mangione stood before U.S. District Judge Margaret Garnett and answered questions with brief, one-word responses. When prompted to enter a plea, he responded, “Not guilty.”

If convicted, Mangione could face capital punishment. His legal team has not issued a public comment regarding the charges.

Alleged Eavesdropping on Attorney Calls

During the court session, defense attorney Karen Agnifilo raised a serious concern: state prosecutors had apparently listened in on a confidential phone call between her and Mangione.

“They told us it was unintentional,” Agnifilo said. “But they did, in fact, listen to a privileged conversation between my client and me.”

Judge Garnett, visibly concerned, pressed federal prosecutors for clarity. They claimed it was the first they were hearing of it. The judge then ordered federal officials to provide an update on Mangione’s secure communication access by the next hearing.

She also reminded all parties of legal rules prohibiting public statements that could interfere with the defendant’s right to a fair trial.

Next Steps in the Case

The next court date is set for December 5, at which time a trial date is expected to be determined. Defense attorneys are pushing for the federal case to be tried first due to the possibility of a death sentence.

Last week, a federal grand jury indicted Mangione on four separate counts:

  • Two counts of stalking
  • One count of murder with a firearm
  • One count of using a firearm equipped with a silencer

Details of the Incident

Mangione is accused of fatally shooting Brian Thompson on December 4 outside a Manhattan hotel, where Thompson had been attending an investor event. Authorities say Thompson was shot from behind in broad daylight. Two shell casings were recovered at the scene, each bearing ominous handwritten words: “deny,” “depose,” and “delay.”

Following a five-day manhunt, Mangione was arrested in Altoona, Pennsylvania, inside a McDonald’s restaurant.

Federal Prosecutors Seek Death Penalty

Just a day before Mangione’s court appearance, prosecutors officially filed a notice stating their intention to pursue the death penalty. This decision follows a directive from U.S. Attorney General Pam Bondi.

According to prosecutors, Mangione’s alleged actions were not only deliberate but politically motivated. They argue he aimed to spark widespread resistance against the healthcare industry by carrying out a violent, symbolic act.

“His statements suggest a desire to incite political and social opposition through lethal force,” the filing reads. It also states that Mangione tried to escape authorities by fleeing across state lines while carrying a homemade firearm and silencer.

Facing Charges in Multiple States

In addition to the federal charges, Mangione also faces serious accusations in both New York and Pennsylvania. These include:

  • First-degree murder in furtherance of terrorism
  • Second-degree murder (two counts)
  • Several weapons violations
  • Possession of a forged document

He has pleaded not guilty to all charges filed in New York related to terrorism and murder.

Public Reaction and Unusual Case Dynamics

Friday’s courtroom proceedings attracted a full house. Among those attending was Chelsea Manning, former U.S. Army intelligence analyst and whistleblower. Speaking after the hearing, Manning emphasized the unusual pace and complexity of the case.

“This is not normal,” she said. “You have two major legal proceedings happening at the same time — one of them a capital case. It feels like they’re rushing justice.”

When asked if she supports Mangione, Manning replied, “I support fair due process. This needs to be done properly, not rushed.”

Key Takeaways

  • Luigi Mangione has pleaded not guilty to federal charges related to the December killing of UnitedHealthcare CEO Brian Thompson.
  • Prosecutors are seeking the death penalty, citing political motivations and a threat of future violence.
  • Mangione also faces state-level charges in New York and Pennsylvania, including terrorism-related counts.
  • A judge has raised concerns about possible breaches of attorney-client privilege.
  • The next court hearing is scheduled for December 5.

This is a developing case. As more details emerge, we’ll continue to provide updates on court proceedings, legal developments, and the broader implications of this high-stakes trial.

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