Overview

• Police say the sophomore posted around 10:15–10:17 a.m. from inside the school with a caption threatening to "shoot the school up."
• The FBI’s National Threat Operations Center alerted the NYPD at 11:33 a.m., providing the username, date of birth, phone number, and geolocation tied to the campus.
• School staff and officers removed the student from class, verified the account by calling the linked number, and searched his belongings with parental consent.
• A loaded 9mm handgun identified as a Taurus GX4 with 13 rounds was found in his backpack, and he was arrested without incident.
• The student, not publicly identified and with no prior criminal history, was taken into custody at 12:36 p.m.; Cardozo does not use weapon scanners, the investigation is ongoing, and potential charges were not announced.