Brown Custodian Warned Security Weeks Before Shooting

A longtime Brown University custodian says he repeatedly warned campus security about a man behaving suspiciously in school hallways weeks before the shooting that left two students dead, according to a new report.

Derek Lisi, who has worked at the Ivy League school for 15 years, told The Boston Globe he noticed Claudio Neves Valente pacing hallways and peering into classrooms nearly a dozen times before the Dec. 13 attack.

Lisi said he told the same security guard on two separate occasions about the man lingering in the same campus building in the days leading up to the shooting, though it remains unclear whether any action was taken.

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