Brown University shooting suspect died two days before his body was found, reveals autopsy

Claudio Neves Valente was found dead with a self-inflicted gunshot wound in a storage unit in Salem, New Hampshire, on Thursday, December 18
PUBLISHED DEC 20, 2025
Claudio Neves Valente is estimated to have died by suicide on December 16, two days before he was found dead in  a storage unit in Salem, New Hampshire (AP Photo/Reba Saldanha, Providence Police)
Claudio Neves Valente is estimated to have died by suicide on December 16, two days before he was found dead in a storage unit in Salem, New Hampshire (AP Photo/Reba Saldanha, Providence Police)

PROVIDENCE, RHODE ISLAND: The autopsy report of Claudio Neves Valente, the suspect in the Brown University mass shooting and the killing of an MIT professor, revealed that he died of a single gunshot wound to the head two days before his body was found.

On Thursday, December 18, Valente's body was found in a storage unit in Salem, New Hampshire. The autopsy report reveals his death has been ruled a suicide. He was a Portuguese national who was a permanent US resident.

Claudio Neves Valente died a day after MIT professor's killing

The New Hampshire Medical Examiner said on Friday that they believe Claudio Neves Valente died on Tuesday, a day after killing MIT professor Nuno Loureiro in Brookline, Massachusetts.

Meanwhile, investigators said Valente rented the unit sometime around November. Authorities said they believe Valente was the attacker who opened fire last Saturday in Brown's Barus & Holley engineering building, killing two people and injuring nine others.

On Thursday, officers found Valente's rental car outside the storage facility, and investigators said he used multiple license plates on that car, including one from Maine that had not been in active use since 2011. 

(Providence Police Department)
Claudio Neves Valent's body had two 9mm Glock firearms equipped with green laser sights (Providence Police Department)

Valente's body had two 9mm Glock firearms equipped with green laser sights, five magazines with nearly 200 rounds of ammunition, and around $900 in cash, as per ABC News. 

Investigators said they found more ammunition and body armor in his car. However, it's unclear where Valente acquired the guns.

Nicholas Daugustine, owner of Milford Firearms, mentioned that it's likely he bought them to his last known residence in Florida. Daugustine said, "Any handgun has to be purchased in the state that you live in." 

People gather outside a storage facility where a suspect in the shooting at Brown University was found dead, Thursday, Dec. 18, 2025, in Salem, N.H. (AP Photo/Reba Saldanha)
People gather outside a storage facility where a suspect in the shooting at Brown University was found dead, on Thursday, December 18, 2025, in Salem, NH (AP Photo/Reba Saldanha)

"So, if he was from Miami and bought it legally – which I doubt he did – but if he did, he would have had to fill out a background check form, 4473, and he would have had to pass that background check successfully," the Milford Firearms owner said.

Witnesses reveal Brown University shooter 'made a barking noise' before shooting

Many witnesses to the Brown University shooting revealed that Claudio Neves Valente made unusual "barking" noises just before opening fire inside a classroom, the Rhode Island officials revealed.

Meanwhile, authorities added that accounts varied and that investigators were still working to determine what prompted the attack. 

People gather for a candlelight vigil following a mass shooting yesterday at Brown University that left at least two people dead and nine others injured, on December 14, 2025 in Providence, Rhode Island. A suspect in the shooting was detained overnight at a hotel in a nearby community following a manhunt across the prestigious university and the greater Providence area. The shooting took place around 4 p.m. on Saturday as students were preparing for exams and the holiday break. (Photo by Spencer Platt/Getty Images)
People gather for a candlelight vigil following a mass shooting yesterday at Brown University that left at least two people dead and nine others injured, on December 14, 2025, in Providence, Rhode Island (Spencer Platt/Getty Images)

Rhode Island Attorney General Peter Neronha, during a press conference, said that investigators received conflicting witness statements about what had occurred moments before the shooting began.

"There are some witnesses who said he said nothing. There are some that say he made a barking noise. Don’t ask me. I don’t know why. And that’s it. There is no other spoken word beyond that that we are aware of," Neronha said.

Authorities added that Valente entered a classroom at Brown University and fired more than 40 rounds. Officials said that they had not identified a clear motive despite the unusual witness reports and the suspect's prior connections to the university.

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