The reports state Deputy Adam J. Brown, the school's resource officer, at about 12:30 p.m. on Friday, Nov. 11, fired a .38-caliber Sig Sauer pistol while in a classroom. He and another teacher had been in the robotics classroom using a force machine to test the trigger pull on a Springfield EMP 9mm handgun. Surveillance camera footage shows Brown and the teacher exit the classroom, with Brown returning alone shortly thereafter. He again used the force machine, this time with the Sig Sauer, apparently causing it to discharge.
The Sig Sauer and the Springfield were Brown's backup weapons, both of which he was qualified and authorized to carry, according to the reports.
The bullet passed through two pieces of drywall and entered a classroom occupied by about 30 students. It traveled toward the ceiling, scraped a tile, proceeded to hit a cement wall, ricocheted off it, careened across the room, and struck teacher Brenda Amthor in the neck...
Once the object cooled down, Amthor picked it up and handed it to Pennell. Pennell radioed for Brown and the school's custodian, both of whom came to the room.
Though Brown was engaged in conversations with school staff on the projectile's origin, he did not admit to having fired a gun, reports indicate. As a result, the school was placed in secure mode while administrators attempted to discern what had happened.