Event Brief
Dec 3, 2025 at 1:04 AM ET
Training exercise fuels active shooter fears at College of San Mateo
By The BriefBrief
Police confirm lack of communication about a training exercise, raising concerns among students and staff.
WHO: Local law enforcement and College of San Mateo administration
WHAT: Active shooter training exercise
WHEN: Dec 2, 2025 at 7:00 PM ET
WHERE: College of San Mateo, San Mateo County, CA
WHY: To prepare law enforcement for potential active shooter scenarios
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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