Luigi Mangione's Two Trials: Why One Killing Gets a State Case and a Federal Case

On September 8, 2026, jury selection is currently scheduled to begin in the most-watched criminal trial in America: the State of New York against Luigi Mangione, the 28-year-old accused of shooting UnitedHealthcare CEO Brian Thompson on a Midtown Manhattan sidewalk on December 4, 2024.

Four months later — January 5, 2027 — a second jury is scheduled to be picked, one floor of the federal courthouse over from the first, for a second trial about the same killing.

Two courts. Two juries. One accusation. If that sounds like it shouldn't be allowed, this case file is for you.

The accusation

Prosecutors say Mangione ambushed Thompson from behind outside the New York Hilton Midtown, where the executive — a 50-year-old father of two — was walking to his company's investor conference. The evidence they've described in filings and hearings includes surveillance footage of the shooting, shell casings marked with words echoing criticism of the insurance industry, and, when Mangione was arrested five days later at a Pennsylvania McDonald's, a gun and a notebook a judge has ruled the jury can see.

Mangione has pleaded not guilty to every charge in both cases. He is presumed innocent unless and until a jury says otherwise — and nothing in either case has been tested by cross-examination yet.

Why two trials? Dual sovereignty, explained

The Fifth Amendment bars trying someone twice for the same offense — but the Supreme Court has long held that the state and federal governments are separate sovereigns. Each has its own criminal code, and each may prosecute the same act as an offense against its laws. It's the same doctrine that allowed federal civil-rights trials after state acquittals in the civil-rights era.

Here, the split works like this:

• New York State charges the killing itself: second-degree murder, plus weapons counts. This is the case that starts September 8.
• The federal government charges the conduct around the killing: stalking-related counts tied to tracking Thompson across state lines. This is the January 2027 case.

The federal case originally looked very different — and that's where the death penalty question comes in.

The death penalty is off the table

When federal prosecutors first indicted Mangione, the top count — murder through use of a firearm — was death-eligible, and the Justice Department said it would seek the death penalty. That is no longer the case: earlier in 2026, the federal judge dismissed the murder and weapons counts, leaving the stalking charges and taking capital punishment off the table entirely.

The state case never carried that risk — New York has no death penalty. What second-degree murder does carry is 25 years to life.

The state charges have also been narrowed. In September 2025, Judge Gregory Carro threw out the two terrorism-related murder counts — including first-degree murder in furtherance of terrorism — writing that while the defendant "was clearly expressing an animus toward UHC," New York law doesn't make a killing terrorism just because it's ideological. The second-degree murder count, he ruled, stands on legally sufficient evidence.

The vanishing defense

For a stretch of 2026, the biggest question was how Mangione's team would defend the state case. In June, his attorneys told the court they intended to argue extreme emotional disturbance — a defense that concedes an intentional killing but, if the jury accepts it, reduces second-degree murder to first-degree manslaughter.

One day later, they withdrew it.

The stated reasons say a lot about the strategic bind of facing two prosecutions at once: the defense faced a deadline to hand prosecutors its supporting psychiatric material — material federal prosecutors could then study — and the team said some doctors refused to participate as experts because of the case's notoriety. The withdrawal means the state trial is currently shaping up as a straight contest over proof, not mental state.

One more June development: CBS News reported that prosecutors and the defense discussed a possible plea deal that collapsed — a report Mangione's lead attorney flatly denied, saying no plea talks ever happened. Either way, no deal exists, and both trials are on the calendar.

The schedule (hold it loosely)

Date	Court	What happens
September 8, 2026	Manhattan Supreme Court (state)	Murder trial currently scheduled to begin
January 5, 2027	Southern District of New York (federal)	Jury selection — 40–50 prospective jurors per day
January 25, 2027	Federal court	Opening statements currently scheduled

Every date in this case has moved at least once — the state trial was originally set for June 8 before being pushed to September, and the federal trial was postponed specifically because the state case goes first. The federal judge has even delayed releasing the juror questionnaire to protect the jury pool while the state trial unfolds. Treat all dates as "currently scheduled," and check our court dates tracker for changes.

Why this case file matters

Strip away the noise — the manifesto discourse, the merchandise, the courthouse crowds — and what's left is a case this channel exists to follow: surveillance footage, physical evidence, and two very different courtrooms testing the same facts under different laws. The state jury will decide whether prosecutors can prove a murder. The federal jury, months later, will hear about the same days through the lens of interstate stalking law.

However it ends, this is going to be the clearest public lesson in how American dual-sovereignty prosecution works since the concept entered the headlines — and the verdicts may not match.

Case status as of this writing: charged in both state and federal court; pleaded not guilty to all counts; presumed innocent unless and until proven guilty. The state trial is currently scheduled for September 8, 2026, and the federal trial for January 2027; dates may change. This article is based on court rulings, filings described in open court, and contemporaneous reporting. Photo: courtroom pool-feed frame of Mangione at a pretrial hearing, as broadcast by NBC News.