Go past the flaming bench section and look for it on the broken bench against the wall. Grissom Academy – Look for it in the room next to the one where you find amp schematics. Look for it on the bench ahead near a kneeling student by the door. Grissom Academy – When you find Mattock, turn left.
Can be found in the Elkoss Combine Arsenal Supplies shop after the completion of Priority: Rannoch for 5,000
