20-year grudge led to Brown mass shooting, MIT professor’s murder: Report

A longtime grudge appears to be part of the reason the man accused of killing two Brown University students and an MIT professor, according to federal officials. They released transcripts from videos the suspect left behind.

Videos provide insight

Federal prosecutors say the suspect, Claudio Neves Valente, left behind a series of short confession videos before he was found dead from a self-inflicted gunshot wound inside a New Hampshire storage unit last month.

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Unbiased. Straight Facts.^TM

Rhode Island’s gun death rate was 64% below the national average in 2025.

According to the U.S. attorney’s office in Massachusetts, Neves Valente said he had been planning the shooting for a “long time.” He also identified Brown University, where he attended school in the early 2000s, as his intended target.

According to the transcripts, which the Justice Department had to translate into English from Neves Valente’s native language of Portuguese, he said, “I had plenty of opportunities, especially this semester … but I always chickened out.”

In a statement, prosecutors said, “Neves Valente showed no remorse during the recordings; on the contrary, he exposed his true nature when he blamed innocent, unarmed children for their deaths at his hand and grumbled about a self-inflicted injury he suffered when he shot the MIT professor at close range.”

Motive still unknown

Prosecutors say that in the videos reviewed so far, Neves Valente did not offer a clear motive for targeting the school, where he killed Ella Cook, 19, and Mukhammad Aziz Umurzokov, 18. They say he also did not give a specific reason for the killing of MIT physics professor Nuno Loureiro.

However, law enforcement sources told ABC News that in the videos, Neves Valente did describe 20-year grudges that led him to buy guns and carry out the New England shootings.

Prosecutors say the search for a motive is not over. And according to ABC News’ report, the sources said there are still additional devices law enforcement has yet to access.

The post 20-year grudge led to Brown mass shooting, MIT professor’s murder: Report appeared first on Straight Arrow News.

Ella Rae Greene, Editor In Chief

Ella Greene

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