Pinole High School Student Detained After Allegedly Bringing 3-D Printed Gun To Campus

CBS Bay Area

April 30, 2026

Authorities in the East Bay said they detained a student at school after recovering a firearm that appeared to have been made by a 3-D printer.

On Monday, Pinole Police officers were called to Pinole Valley High School following a report of a student possibly possessing a firearm. The school was placed on lockdown as a precaution.

With the assistance of school staff and security, officers were able to detain the student without incident. Officers said they found the firearm, which appeared to have been "manufactured using a 3D-printing process" inside the student's backpack.

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