Brown Mass Shooting Linked to Ongoing Grudge MIT Professor Among Those Killed

A deadly mass shooting at Brown University on December 13, 2025, was motivated by a long-standing grudge, according to law enforcement. The alleged shooter, Claudio Valente, a former graduate student, opened fire during a study group, killing two students and injuring nine others, before fatally shooting MIT professor Nuno Loureiro at his home. Valente later died by suicide, leaving behind videos detailing his planned attack and expressing no remorse. Investigators continue to review electronic devices found with him to uncover more about his motives.

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