other. >> this surveillance footage reveals a group of southern mexican gang members unleashing a vicious coordinated attack against a group of black inmates. the beginning of california's worst prison riot. >> i looked around and all over the yard there was fighting and stabbings going on. >> doug burrell and dozens of his fellow officers tried to subdue inmates with pepper spray and teargas, but every time it seemed the staff had the situation under control, another fight broke out. >> it looked like the movie "braveheart," the fight scene in "braveheart" but it was the real deal. >> they started firing shots. so everybody that wasn't involved in the riot laid on the ground. >> even the gunfire raining down from pelican bay security towers did not quell the riot until one of the inmates was killed. 15 others were wounded. >> after we were done, i was