Luigi Mangione is returning to a sealed New York courtroom today for a proceeding tied to the killing of Brian Thompson, the CEO of UnitedHealthcare. The unexpected closure limits public visibility into one of the most scrutinized criminal cases in the country.

The secrecy raises new questions for Thompson’s family, Mangione’s supporters, and two courts preparing for back‑to‑back trials that could send the 28‑year‑old to prison for life.

A clerk offered no explanation for the closure, according to the Associated Press, highlighting the tension surrounding evidence, admissibility rulings, and the competing state and federal prosecutions now moving toward trial.

Where Is Luigi Mangione Now?

Mangione remains held at the Metropolitan Detention Center in Brooklyn, where he has been detained since his extradition to New York in December 2024. The facility houses a mix of high‑profile federal detainees and has been the backdrop for several unusual incidents tied to his case, including a Minnesota man charged with impersonating an FBI agent in an apparent attempt to secure Mangione’s release.

He faces two separate trials in 2026: a New York state murder trial scheduled for September 8 and a federal stalking trial set to begin jury selection on October 5. He has pleaded not guilty in both cases.

Luigi Mangione: Full Timeline of Events

• Summer–Fall 2024: Mangione falls out of contact with family; his mother files a missing‑person report in San Francisco
• November 24, 2024: Arrives in New York City by bus; checks into a hostel under a fake ID
• Late November–December 3: Moves between hostels; surveillance shows him scouting the area around the New York Hilton Midtown hotel
• December 4, 2024, 6:44 a.m.: Brian Thompson is shot outside the Hilton while walking to an investors' meeting
• December 4, 7:30 a.m.: Suspect flees toward the George Washington Bridge Bus Station and leaves the city
• December 9, 2024: Mangione is arrested at a McDonald’s in Altoona, Pennsylvania, after a customer recognizes him
• December 19, 2024: Extradited to New York; federal complaint filed the same day
• December 23, 2024: Pleads not guilty to state charges
• 2025: Terrorism‑related murder charges dismissed in state court; federal prosecutors announce intent to seek the death penalty
• January 2026: Federal judge dismisses the death‑eligible charges, ruling they are legally incompatible with the stalking counts
• May 18, 2026: State judge suppresses some backpack evidence but allows the gun, suppressor, and notebook
• May 2026: Sealed hearing triggers scrutiny after supporters with press passes make inflammatory comments outside the court
• September–October 2026: State and federal trials scheduled to begin

What To Know About the Evidence in Luigi Mangione's Case

The most contested evidence comes from Mangione’s backpack, seized during his arrest in Altoona. Officers reported finding a 3D‑printed gun, a suppressor, ammunition, fake IDs, and a red notebook containing writings critical of the health insurance industry.

• Federal court: Judge Margaret Garnett ruled the search “reasonable,” allowing the gun, suppressor, notebook, and writings into evidence.
• State court: Judge Gregory Carro suppressed items tied to the initial warrantless search—such as Mangione’s phone, passport, and computer chip—but allowed the gun, suppressor, and notebook because they were recovered during a later search at the police station.

Prosecutors in both cases are also expected to highlight shell casings found at the scene marked with “deny,” “delay,” and “depose,” which investigators say may reflect motive.

What To Know About Deceased UnitedHealthcare CEO Brian Thompson

Thompson, 50, led UnitedHealthcare, the nation’s largest health insurer, and had worked at the company since 2004. He was in New York City for an investors' meeting when he was shot in the back outside the Hilton Midtown on December 4, 2024.

Thompson had faced public criticism over the company’s claim‑denial practices, and his family reported he had received threats before the shooting. His killing sparked national outrage, intense political debate, and a wave of online hostility toward the health insurance industry.

The aftermath reshaped the company’s public image: UnitedHealth Group’s stock fell sharply, executives hired private security, and the company removed leadership photos from its website.

What To Know About Luigi Mangione's Supporters

Mangione’s case has generated an unusually intense online following, with supporters portraying him as a symbol of anger toward the health insurance industry. Graffiti, memes, and merchandise have appeared across the U.S. and abroad, and the hashtag #FreeLuigi has been shared tens of thousands of times.

This week, the movement drew new scrutiny when three self‑styled supporters—calling themselves “The Mangionistas”—were granted press passes to attend a sealed hearing. New York City Mayor Zohran Mamdani said the passes should never have been issued and ordered a review of the city’s credentialing process.

Outside the courthouse, members of the group made inflammatory remarks about Thompson, prompting bipartisan condemnation. Former Mayor Eric Adams called their comments “reprehensible,” and City Council members said activists should not be allowed to pose as journalists at official proceedings.

Despite the backlash, the group continues to post commentary to small but active social media audiences, framing their presence as an act of political expression.