CONCORD, N.H. — New details emerge following the autopsy of Brown University and MIT gunman, 47-year-old Claudio Manuel Neves Valente, New Hampshire Attorney General John M. Formella announced.
According to the New Hampshire Chief Medical Examiner’s office, Valente died from a gunshot wound to the head, which was ruled a suicide.
UPDATE: Brown Univ. shooter died by suicide on Tuesday, according to medical examiner. Two days before he was found in Salem NH
— Michael Raimondi (@mraimonditv) December 19, 2025
Based on the examination findings and investigative information available to date, Mr. Neves Valente is estimated to have died on December 16 @boston25
Additionally, the Medical Examiner’s office also believes that Valente has been dead since Tuesday, December 16.
Valente was found dead in Salem, New Hampshire, at a storage facility on Thursday night, following a multi-state manhunt.
Valente is accused of attacking Brown University last Saturday, killing two students and injuring nine others in a mass shooting, before fatally shooting MIT nuclear physics professor Nuno Loureiro at his Brookline home Monday night.
This is a developing story. Check back for updates as more information becomes available.
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