. >> doug burrell and dozens of his fellow officers tried to subdue inmates with pepper spray and tear gas. every time it seemed the staff had the situation under control, another fight broke out. >> looked like the movie "braveheart," but it was the real deal. >> they started firing shots, so everybody that wasn't involved in the riot laid on the ground. >> but 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 cleaning blood off the walls and off the floors and benches in here for a good hour. >> pelican bay's worst riot was fueled by the inmates' impulse for violence. and many of those inmates ended up here, the security housing unit, or the shu. >> inmates that were placed into the shu housing unit were placed in here for the most part because of violence, and that violence could be against other inmates, or against officers. >> it was here in pelican bay's most secure unit we came across perhaps the prison's most dangerous inmate. >> my name is scanvinski hym