A New York judge ruled Monday that police violated Luigi Mangione's Fourth Amendment rights when they searched his backpack at an Altoona, Pennsylvania, McDonald's, tossing out a loaded gun magazine, a cell phone, a passport, a wallet, and a computer chip that prosecutors hoped to use at his upcoming state trial for the killing of UnitedHealthcare CEO Brian Thompson.
Judge Gregory Carro issued the split decision in a 17-page ruling. He suppressed the McDonald's backpack evidence but allowed the gun, a silencer, a notebook, a journal, a USB drive, a pocket knife, and various papers and writings recovered during a later search at the Altoona police station. Parts of Mangione's statements to officers inside the restaurant, including responses about his alleged fake identification, were also barred.
The ruling hands Mangione's defense team a partial win less than three months before jury selection begins September 8 in his state case. But the core physical evidence prosecutors say ties the 28-year-old Ivy League graduate from Baltimore to the December 4, 2024, shooting outside a Midtown Manhattan hotel remains on the table.
Carro's reasoning centered on the physical distance between Mangione and his belongings at the moment officers opened the backpack. As The U.S. Sun reported, the judge wrote:
"I find that the search of the backpack at the McDonald's is an improper, warrantless search. That the backpack was not in immediate control or grabbable area of the defendant."
Carro also noted Mangione's demeanor during the encounter. Officers themselves described him as cooperative.
"The defendant was also cooperative, described by several officers as 'compliant' and 'non combative,' and offered no resistance to the frisk or the placing of the handcuffs."
That detail matters. Under established search-incident-to-arrest doctrine, officers may search a suspect's person and the area within immediate reach without a warrant. The justification rests on officer safety and the risk of evidence destruction. When the suspect is compliant and the bag is out of arm's reach, that justification weakens, and Carro found it didn't hold.
The items suppressed are not trivial. A loaded magazine, a phone, a passport, and a wallet could have helped prosecutors build their timeline, establish identity links, or corroborate other evidence. A computer chip could have contained communications or planning documents. All of it is now off-limits in state court.
What Carro left standing may matter more. Evidence recovered during a subsequent search at the Altoona police station, conducted after Mangione's formal arrest, will be admissible. That includes a ghost gun prosecutors allege was used in the killing, a silencer, a journal, a USB drive, a pocket knife, and various papers and writings.
The ghost gun and silencer form the backbone of the prosecution's physical case. The journal and papers could speak to planning and motive. Prosecutors have alleged Mangione planned and carried out the assassination of Thompson, a 50-year-old healthcare executive who was shot outside the Hilton Hotel in Midtown Manhattan on December 4, 2024.
Prosecutors say Mangione waited outside the hotel for approximately one hour before firing several shots at Thompson from behind. The alleged gunman then fled on foot toward West 55th Street, mounted an electric bicycle, and rode into Central Park.
Five days later, a McDonald's employee roughly 280 miles west of the crime scene recognized Mangione from surveillance photos out of New York and called Altoona police. Officers responded, moved Mangione's backpack away, surrounded him, and arrested him for providing false identification.
Here is where the case gets legally interesting, and where the consequences of procedural missteps start to ripple. A separate federal judge overseeing Mangione's federal case rejected defense arguments that the same backpack search was improper. Two judges looked at the same set of facts and reached opposite conclusions.
That split means the suppressed items could still surface in Mangione's federal trial, scheduled to begin in January 2027. The federal case carries its own set of charges: murder through use of a firearm, two stalking crimes, and one count of discharging a firearm equipped with a silencer.
The penalties in the federal case dwarf the state charges. Murder through use of a firearm carries a maximum penalty of death or life in prison. Interstate stalking resulting in death and stalking through use of interstate facilities resulting in death each carry a maximum of life. Discharging a silencer-equipped firearm carries a mandatory minimum of 30 years and a maximum of life.
That said, the death penalty is off the table at the federal trial.
Judges in both the state and federal proceedings have already dismissed the most serious charges against Mangione. State terrorism charges were thrown out. Federal firearm charges were also dismissed, though the precise contours of what remains are not fully detailed in public reporting.
Mangione still faces nine state charges, including second-degree murder, three counts of illegal weapons possession, and forgery. Second-degree murder alone carries a potential penalty of 15 years to life in prison, with the possibility of parole after 25 years.
In Pennsylvania, where he was arrested, Mangione faces charges of carrying a gun without a license, forgery, falsely identifying himself to authorities, and possessing instruments of crime. The gun-license charge alone can be a first-degree misdemeanor carrying 2.5 to 5 years and a $10,000 fine, or a third-degree felony carrying 3.5 to 7 years and a $15,000 fine.
Mangione has pleaded not guilty to all counts in both his state and federal cases.
The state trial, slated to begin in September with jury selection on September 8, will now proceed without a chunk of the evidence police gathered in those first critical minutes at the McDonald's. Prosecutors still have the ghost gun, the silencer, the journal, the USB drive, and Mangione's own writings. They have surveillance footage from Manhattan. They have the timeline of a five-day manhunt that ended with a fast-food employee spotting a wanted man.
But they lost the backpack contents. And they lost portions of what Mangione said to officers before he was formally processed.
For the prosecution, the lesson is familiar and unforgiving: how evidence is collected matters as much as what it contains. Altoona police moved the backpack, opened it, and searched it before the legal basis was secure. Carro's ruling is a reminder that the Fourth Amendment doesn't pause for high-profile manhunts.
For the defense, the win is real but limited. The most damaging physical evidence, the weapon, the silencer, the writings, survived. And the federal case, where the same backpack evidence may be admissible, looms eighteen months down the road with penalties that make the state charges look modest by comparison.
The rules exist for everyone, including police chasing accused killers. When officers cut corners, courts cut evidence, and the public is left wondering whether the system can hold together long enough to deliver a verdict that sticks.