MPH goes into lockdown – Deputies investigate suspicious device at school

Dec 14, 2023 | Government, Local, Mountain Emergency Updates

On Thursday, Dec. 7, the San Bernardino County Sheriff’s Department, Twin Peaks Station, received information that a student had brought a suspicious device to Mary Putnam Henck Intermediate School.

Out of an abundance of caution, the school was placed on lockdown, and the administration building was evacuated. Sheriff’s Bomb and Arson personnel responded and rendered the device safe. The device was examined and it was determined no explosive material was present.

The school lockdown was lifted and normal school operations resumed. The student – a 13-year-old male from Crestline – was arrested under Penal Code 18710 (possession of a destructive device) and released to his family. At no time were any of the students or staff in any danger.

Anyone with information about the investigation (Case No. 052301551) is asked to contact the San Bernardino County Sheriff’s Department, Twin Peaks Station, at (909) 336-0600. Anyone wishing to remain anonymous may contact We-Tip at (800) 78-CRIME (27463) or go to


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