stab-proof vests, helmets and gas masks. we also have the electronic immobilizing device, otherwise called a stun gun and we also have an eid shield. >> i'm always training myself. physically, psychologically, to be on guard, to be ready to combat these officers or prisoners, whatever might come my way. and i can do it. >> the extraction team sprays pepper spray into the cell and waits. >> they'll give the prisoner an order to comply. if the prisoner complies, then he'll be removed from the cell and whatever they need to do, they will do. >> but roberson doesn't comply. after two applications of pepper spray, the officers move in.