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Story summary
- A 15-year-old faces 19 charges, including 12 counts of attempted murder, after the Sept. 8 incident at Benson Polytechnic High School.
- U.S. prosecutors say the FBI found references to the violent online network “764” on the teen’s devices.
- A court ordered the teen back to the hospital for inpatient care.
- All 56 FBI field offices are investigating.
- The bureau opened at least 350 “764” cases since November 2025.