Luigi Mangione supporters pack courtroom as federal judge rules on seizure of backpack
Luigi Mangione attends a suppression of evidence hearing in the killing of UnitedHealthcare CEO Brian Thompson in Manhattan Criminal Court on December 18, 2025 in New York City. (Photo by Shannon Stapleton-Pool/Getty Images)
Mangione returned to Manhattan federal court Friday, where prosecutors have said they would seek the death penalty if he’s convicted of stalking and killing UnitedHealthcare chief executive Brian Thompson on a New York City sidewalk in 2024.
Two women who flew in from Sicily and came straight from the airport were among those in the courtroom gallery, which was filled with Mangione’s supporters, mostly young women. Many of them were wearing green, the color that has come to represent advocacy for Mangione.
“We have a full house here today,” U.S. District Judge Margaret Garnett said at the outset of the hearing. “It is very important that decorum be maintained.”
The appearance of Mangione, who has pleaded not guilty to federal charges, follows a three-week hearing in state court during which Mangione sought to convince the judge in his state case to exclude some of the critical evidence police said they found in his backpack, including writings and the alleged murder weapon. The judge has yet to issue a ruling.
Judge Garnett, in issuing her ruling on the legality of the backpack’s seizure, said, “I don’t think it’s really disputed that if you’re arrested in a public place, the police are supposed to safeguard your personal property.”
The judge she does not need to schedule a hearing to determine whether to exclude evidence taken from the backpack, but has yet to rule on what, if anything, should be suppressed.
“The Government searched the contents of the defendant’s notebook pursuant to a judicially authorized search warrant that expressly covered, among other things, handwritten materials, including notebook entries, contained within the defendant’s backpack,” prosecutor Sean Buckley argued in an earlier court filing.
“To the extent that the defendant now seeks to challenge the validity of the Government’s warrant — an argument the defendant similarly did not make in either his moving or reply papers — that argument would also fail on the merits because the warrant, which disclosed the initial search of the defendant’s backpack by the Altoona Police Department, was supported by ample probable cause,” wrote Buckley.
The remainder of Friday’s hearing was expected to focus on oral arguments over a defense motion to dismiss the charges that make Mangione eligible for the death penalty.
Paresh Patel, a lawyer from Maryland who recently joined Mangione’s defense team, argued stalking “fails to qualify as a crime of violence” and therefore cannot be the predicate to make Mangione eligible for the death penalty.
Mangione entered the courtroom with his ankles shackled but his hands free. Unlike his recent appearance in state court, when he wore slacks and blazer, Mangione was dressed in a beige smock and pants and a white long-sleeve T-shirt as he took a seat at the defense table between defense attorneys Karen and Mark Agnifilo.
Earlier this week, prosecutors disputed a defense claim that Mangione should not face the death penalty because of a purported conflict of interest by Attorney General Pam Bondi.
The defense said Bondi is continuing to benefit from a 401k established while she worked at the lobbying firm Ballard Partners, which represents UnitedHealthcare.
Prosecutors said Ballard has made no contributions to her retirement plan since her Senate confirmation as attorney general, and argued that she stands to gain nothing from a “capital outcome” in the Mangione case.
“There is simply no factual basis for the assertion that outside corporate interests influenced the Attorney General’s charging decision in any fashion. The defendant’s insinuations otherwise rest on an inaccurate financial narrative,” Buckley wrote in a court filing.
A memorial dedicated to the 19 children and two adults murdered on May 24,2022 during a mass shooting at Robb Elementary School is seen on January 05, 2026 in Uvalde, Texas. Brandon Bell/Getty Images
(CORPUS CHRISTI, Texas) — Editor’s note: Some of the testimony described below may be distressing to some readers.
Robb Elementary School’s former afterschool coordinator, Emilia “Amy” Marin-Franco, held back tears and visibly shook in her seat when she testified on Thursday in the trial of former Uvalde, Texas, school police officer Adrian Gonzales.
Gonzales, who was one of nearly 400 law enforcement officers to respond to the Robb Elementary School mass shooting, is charged with child endangerment for allegedly ignoring his training during the botched police response. Nineteen students and two teachers were killed, and investigations have faulted the police response and suggested that a 77-minute delay in police mounting a counterassault could have contributed to the carnage.
Gonzales has pleaded not guilty and his legal team says he did all he could to help students.
Marin testified that on May 24, 2022, she saw a man crash his truck near the school. She was one of the first people to call 911 — first to report the crash, and then realized he was armed and heading to the school.
Jurors heard her 911 call, in which Marin simultaneously tried to get police to respond while encouraging students to hide.
“There is a guy with a gun. … Oh my god. I think he came on campus now,” she told a dispatcher, while telling students, “Come on guys, hurry.”
In deeply emotional testimony, she told the jury, “I kept asking the operator, ‘Where are the cops? Where are the cops?’ And I tell her, ‘There are kids running everywhere.'”
Marin told jurors that she feared for her and her students’ lives as she sheltered in a classroom and heard countless gunshots.
“They were like, nonstop,” she said. “I thought, ‘He’s going to kill me, he’s going to kill me, he’s going to kill me. I’m going to die, I’m going to die.'”
She testified that she tried to come up with a plan to disarm the shooter if he were to find her.
“I’m looking at the floor and I’m thinking, ‘I’ll tackle him from his ankles and knock him down with my shoulder. Get up on the counter, when he comes in, jump on his back, poke his eyes out, take his gun away from him,'” she said.
A prosecutor tried to ask Marin to describe what that moment was like.
“The feeling of that type of fear is something that only someone can understand who’s been through a mass shooting,” she said. “You won’t understand if you haven’t experienced it and I don’t wish it on anybody.”
“Is it an ugly feeling?” the prosecutor asked.
“It haunts me to this day,” she said.
In the immediate aftermath of the shooting, Marin was falsely accused of leaving a door open that allowed the shooter to enter. She testified about removing a rock that was briefly used to prop the door open. During a brief cross-examination, defense attorneys used the testimony to highlight how Robb Elementary had issues with doors remaining unlocked.
Earlier on Thursday, Judge Sid Harle sided with defense lawyers and instructed jurors to completely disregard the testimony of former teacher Stephanie Hale, who was a key prosecution witness.
Hale returned to the stand for an hour Thursday morning in an effort to salvage her testimony, but defense lawyers ultimately argued that allowing her testimony to stand would endanger Gonzales’ right to a fair trial.
“There’s no doubt that this was crucial to the [defense] strategy,” Harle said. “I don’t think I have any choice, having denied the mistrial — other than to craft a remedy that will protect the due process rights and hopefully avoid any appellate review that would result in this case being reversed — so I am reluctantly going to instruct the jury to disregard her testimony in its entirety.”
Before instructing the jury, the judge personally thanked Hale for her testimony and emphasized that she was not at fault.
“I want to emphasize that you did absolutely nothing wrong. It’s not on you,” the judge said. “I want to tell you, just from personal experience, memories of traumatic events change.”
When Hale was on the stand Thursday, defense attorney Jason Goss attempted to point out that her original account — provided to state investigators four days after the 2022 shooting — differed from what she told the jury on Tuesday.
Hale testified that she saw the shooter near the south side of Robb Elementary and saw him firing toward her and her students. Defense lawyers alleged she never gave that information to state investigators.
“Seeing a shooter, and being shot at, are important details, you would agree with that?” Goss said.
“It depends on who you are,” she responded. “I don’t know. I guess possibly.”
Goss pointed out inconsistencies in her description of events over the last three years, such as how she learned about the shooter and his location.
“I’m not very good with directions,” Hale remarked about the location of the shooter.
During re-direct examination, Hale clarified that she told the grand jury about seeing clouds of dust near the playground, which suggested to her that she and her students were being shot at. She acknowledged, however, that she did not initially see the shooter with her own eyes.
Hale told defense lawyers that it was “kind of implied” that she saw the shooter based on her comments about seeing the dust clouds.
A memorial set up by Brown University outside of the Barus and Holley building on December 18, 2025. (Photo by David L. Ryan/The Boston Globe via Getty Images)
(NEW YORK) — New details about how police caught up to Claudio Manuel Neves Valente, the 48-year-old former Brown University graduate student who allegedly perpetrated a mass shooting at Brown and killed a Massachusetts Institute of Technology professor, have emerged after a dayslong manhunt where officials said he made a series of moves designed to evade authorities.
Authorities credited the work of a tipster who they say “blew this case out in the open.”
Providence Police Chief Oscar Perez said local police helped track down Neves Valente, who was found dead in a New Hampshire storage unit on Thursday, in part thanks to surveillance video and a tip from an anonymous source that pointed authorities to a post on social media platform Reddit.
The tip referenced a post in which the Reddit user — later identified as John — called for police to “look into a grey Nissan with Florida plates,” according to the affidavit.
“I’m being dead serious,” the Reddit post read. “That was the car he was driving.”
After noticing the man they believed to be John interacting with the suspect on surveillance footage, police released images of him and asked for help in identifying him on Wednesday. Later that day, John approached a Providence police officer and said he was the person they were looking for.
John told detectives that he encountered the suspect in the bathroom of Brown University’s Barus & Holley building in the hours before Dec. 13 shooting and was suspicious, according to the affidavit.
John followed Neves Valente outside, where he said he observed the suspect approaching his car, the affidavit noted. The suspect and John would lock eyes as Neves Valente repeatedly walked around the block, in what John would describe “as a game of cat and mouse,” according to the affidavit.
“At some point they [John and Neves Valente] encountered each other on George Street, at which time, the Suspect ran in the opposite direction. John then ran up behind the person of interest, slowed to a good speed-walk and walked past the Suspect,” the affidavit said.
Ultimately, John questioned Neves Valente why he was circling the block prompting a response from the suspect, before John walked away, according to the affidavit.
Rhode Island Attorney General Peter Neronha told reporters John’s information was crucial in tracking the suspect.
“I remember last night watching his interview, and he blew this case right open,” he said.
The tip and surveillance video, along with the use of license-plate reader technology, led investigators to a car rental agency in Massachusetts.
There, police obtained a copy of the rental agreement with the suspect’s name, as well as video of the suspect that matched the videos of the person of interest seen on the Brown University campus on the day of the shooting, the complaint said.
That discovery ultimately led investigators to a storage facility in Salem, New Hampshire, where the suspect was found dead, officials said.
Financial records and video evidence confirmed that the storage unit belonged to the alleged suspect and that the rental vehicle was connected to both the Rhode Island and Massachusetts cases.
Authorities identified the suspect as Neves Valente, a Portuguese national and former Brown University student whose last known address was in Miami, Florida. Officials said Neves Valente died by suicide Thursday evening.
Officials confirmed that Neves Valente was found with a satchel containing two firearms, and evidence recovered from the vehicle matched what was found at the Providence crime scene.
Federal authorities confirmed that shortly before 9 p.m. on Thursday, FBI SWAT teams executed court-authorized search warrants at a storage facility in Salem, which is where they found Neves Valente’s body.
The autopsy performed by the New Hampshire Department of Justice Office of the Chief Medical Examiner estimated that Neves Valente died on Tuesday, one day after the professor was killed at MIT, according to investigators.
Portugal’s Instituto Superior Técnico (IST) confirmed to ABC News that Cláudio Manuel Neves Neves Valente studied between 1995 and 2000 in the school’s physics engineering program, the same one attended at the time by slain MIT professor Nuno F.G. Loureiro.
A 1998 announcement in Portugal’s official Diario da República referred to Neves Valente’s appointment as a teaching assistant at IST and a 2000 notice in the same publication mentions his termination from the role.
A spokesperson for IST declined to comment further on Neves Valente’s history at the institution, due to the ongoing investigation and out of respect for the friends and family of Loureiro.
Brown officials confirmed that Neves Valente was enrolled at the university from the fall of 2000 through the spring of 2001 as a graduate student in physics, entering Brown’s graduate program in September 2000 before taking a leave of absence in April 2001 and formally withdrawing in 2003.
“He was not a current student, was not an employee and did not receive a degree from the University, attending for only three semesters as a graduate student until taking a leave in 2001 and formally withdrawing effective July 31, 2003,” Brown University President Christina Paxson wrote in a letter to students and faculty Thursday.
During his time at Brown, he was enrolled only in physics courses, which were typically held in the Barus & Holley building. University records indicate he has had no active affiliation with Brown for more than two decades.
Police said the suspect acted alone and that there is no indication, at this time, of additional planned attacks. Investigators have not identified any writings, known criminal history or clear motive.
Officials said forensic teams are still processing evidence recovered in New Hampshire, including firearms, and will compare it with ballistic and DNA evidence from the Providence crime scene.
Paxson said the university is still reviewing how the suspect gained access to the building. She said the building was unlocked that day because exams were being held, and the university will examine security procedures moving forward.
Investigators said Neves Valente obtained lawful permanency in April 2017 and was issued a green card.
Secretary of Homeland Security Kristi Noem said in an X post that Neves Valente received his visa through the diversity visa lottery program, and announced that, at President Donald Trump’s direction, she was pausing the program.
Each year, the State Department awards up to 50,000 immigrant visas to “winners” of the diversity visa lottery. The program was created by Congress in 1990 to allow applicants from countries with low rates of immigration into the U.S. to come here.
The winners are selected at random, but they must still go through a lengthy application process, which includes submitting criminal records, being interviewed at an embassy or consulate, and meeting other requirements, such as having a High School Diploma or two years of work experience. Applicants are then allowed to apply for lawful permanent resident status.
Investigators said they identified Neves Valente by name late Wednesday night and weighed whether releasing his identity could cause him to flee or take further action.
Officials said they believed he might return the rental car in Boston or attempt to leave the area, and they wanted the opportunity to arrest him without alerting him that police were closing in.
Officials said it remains unclear exactly when the suspect took his own life, but noted that he signed into the storage facility but was never seen leaving.
The site was secured by federal agents, and investigators said an autopsy will help determine the timing of his death.
ABC News’ Armando Garcia and Christopher Looft contributed to this report.
Officials visit Nancy Guthrie’s residence, February 25, 2026 in Tucson, Arizona. (Joe Raedle/Getty Images)
(TUCSON, Ariz) — Three-and-a-half weeks after Nancy Guthrie’s abduction, the FBI is reducing its number of personnel in Tucson and relocating its command post to Phoenix, where it has its largest office in Arizona, sources briefed on the investigation told ABC News.
The FBI will keep agents in Tucson and continue to partner with the Pima County Sheriff’s Department, but many agents are returning to Phoenix to work the case from there.
On Wednesday, FBI agents were seen walking Guthrie’s property. For the moment, the sources said there is no additional investigative work the FBI needs to do at the house.
Instead, much of the case is now analytical: perusing Walmart sales receipts and security footage, untangling the mixed sample of DNA found inside the house, and parsing the roughly 1,500 tips that have come in since Nancy Guthrie’s daughter, “Today” show host Savannah Guthrie, offered up a $1 million reward on Tuesday.
After the initial surge following the Tuesday Instagram post upping the reward, the number of calls to the sheriff’s department has tapered off, sources said.
Anyone with information is urged to call 911, the FBI at 1-800-CALL-FBI, or the Pima County Sheriff’s Department at 520-351-4900.
ABC News’ Alex Stone and Trevor Ault contributed to this report.
