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The man who killed Brown University students and an MIT professor left records

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The man identified by law enforcement as the shooter who killed two Brown University students and an MIT professor recorded videos saying he had been planning the attack for at least six semesters, according to information released Tuesday by the U.S. Department of Justice.

Claudio Neves Valente, 48, a former Brown student and native of Portugal, was found dead in a warehouse in New Hampshire after killing two students and wounding nine others in an engineering building on December 13, and, two days later, killed MIT Prof. Nuno FG Loureiro at his home in the Boston suburb of Brookline.

Justice Department officials said Tuesday that during a search of the last place where Neves Valente’s body was found, the FBI found an electronic device containing a series of short videos Neves Valente made after the shooting.

People in hazmat suits stand by the car at night
Investigators searched a gray Nissan at a warehouse where Justice Department officials say they found records left by Valente before he killed himself. (CJ Gunther/Reuters)

In the recording, the shooter admits in Portuguese that he “had been planning the Brown University shooting for a long time,” according to the news release. He did not give a motive for targeting Brown or the MIT professor, with whom he went to school in Portugal decades ago.

He said he felt he had nothing to apologize for and said he wanted to “walk away”. He also complained in the videos about the injury to his eye when he was shot.

“I will not apologize because during my lifetime no one has sincerely apologized to me,” he said.

Neves Valente, who police said died of a self-inflicted gunshot wound, said his “only intention was to leave more or less” “according to his will” and to make sure “he’s not the one who ends up suffering the most in all of this.”

“No, that’s not going to happen. So if you don’t like it, good luck,” he said.

On the record, he said he had a place to keep his body for about three years.

A group of people are standing holding candles in the dark
People gathered outside the home of Massachusetts Institute of Technology professor Nuno FG Loureiro Dec. 16, 2025. (Leah Willingham/The Associated Press)

It was called by a witness

Neves Valente also revealed his confrontation with a Brown University witness that led to his identification days later.

According to officials, the man had met Neves Valente several times before the attack, and when he saw the photos they had posted of the gunman, he told the FBI to look for “a car he may have rented,” a gray Nissan.

Until then, the police affidavit says officers had not made contact with the vehicle involved in the shooting.

Neves Valente said in this recording that the witness saw his license plate number and that the police “confronted” him about the incident.

“Actually, I never thought it would take them so long to find me,” he said.

Neves Valente said he had no hate or love for the United States, where he first came nearly 25 years ago to study physics in Brown’s graduate program before leaving in the spring of 2001.

Neves Valente had attended Brown on a student visa. He finally received legal permanent resident status in September 2017. His last known location was in Miami.

“It’s the same thing with Portugal, and many places where I’ve been,” he said, adding later that “I’ve been here without caring for a very long time now.”

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