Luigi Mangione, Suspect in UnitedHealth CEO Murder, In Co...

Luigi Mangione, accused of fatally shooting UnitedHealthcare CEO Brian Thompson in a brazen midtown Manhattan attack, returns to court Monday as his defense team seeks to suppress key evidence seized during his arrest. The hearing could shape the trajectory of both his state murder case and a separate federal death penalty prosecution.

What to Know:

Mangione, 27, was arrested at a Pennsylvania McDonald’s after a days-long manhunt.
Police recovered a handgun, a loaded magazine, and a notebook from his backpack; the defense argues the search was illegal.
Prosecutors say the gun matches ballistic evidence from the crime scene, and the writings show intent.
Defense attorney Karen Friedman-Agnifilo calls the writings “prejudicial” and objects to the term “manifesto.”
Judge Gregory Carro previously dismissed terrorism-related charges but left nine counts pending.
Federal prosecutors are pursuing a separate death penalty case, with a hearing set for January 9.
Monday’s state hearing is expected to last several days, with witnesses including a 911 operator and McDonald’s staff.

Stay with Newsweek for the latest updates.

Dec 01, 2025 at 08:04 AM EST

Luigi Mangione is back in court today: Here’s why

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Luigi Mangione, accused of gunning down UnitedHealth CEO Brian Thompson in Manhattan last year, is back in New York state court Monday for a pivotal hearing that could determine what evidence jurors ultimately see.

Mangione, 27, faces nine state charges and four federal counts that carry the possibility of the death penalty. His attorneys are challenging the legality of police searches and statements made during his arrest, arguing investigators violated his constitutional rights.

Judge Gregory Carro will preside over two hearings: a Mapp hearing to decide whether physical evidence — including a handgun and a red notebook seized from Mangione’s backpack — was lawfully obtained, and a Huntley hearing to determine whether his statements to police were admissible.

Defense lawyers contend the notebook’s contents are prejudicial and should be excluded, objecting to prosecutors’ description of the writings as a “manifesto.” They also argue Mangione was questioned without proper Miranda warnings and that the backpack search was conducted without a warrant.

The proceedings are expected to last several days, with prosecutors planning to call dozens of witnesses, including some from Pennsylvania, where Mangione was arrested after a five-day manhunt.

Mangione has pleaded not guilty to all charges.

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