Back to today’s briefing

Story perspectives

Former Student Kills Two, MIT Professor in Shocking Rampage

12/23/2025

50 9 Full Breakdown

Center

Claudio Valente's Shooting Spree

Claudio Manuel Neves Valente killed two students and injured nine others in the December 13 incident.
He then fatally shot MIT professor Nuno F.G. Loureiro.
Authorities found Neves Valente dead from a self-inflicted gunshot wound in a New Hampshire storage unit.
Authorities have not disclosed a motive for the shootings.
Neves Valente withdrew from Brown University in 2003 and later lived in Miami.

Left

Custodian Warns, Tragedy Strikes

The December 13 mass shooting at Brown University left two students dead and nine injured.
Derek Lisi, a Brown University custodian, reported a suspicious man pacing the hallways to a campus security guard weeks before the shooting.
Despite Lisi's warnings, no action was taken.
After the attack, Lisi identified the suspect in security footage, expressed regret over not preventing the tragedy, and urged increased campus security at Brown University.

1 of 2

Claudio Valente's Shooting Spree

Claudio Manuel Neves Valente killed two students and injured nine others in the December 13 incident.
He then fatally shot MIT professor Nuno F.G. Loureiro.
Authorities found Neves Valente dead from a self-inflicted gunshot wound in a New Hampshire storage unit.
Authorities have not disclosed a motive for the shootings.
Neves Valente withdrew from Brown University in 2003 and later lived in Miami.

1 / 2