they affiliated or they joined together with the intent of not being governed by any other prison gang. >> bulldogs they're not as organized as your other gangs. they don't have the leadership in their organization. their rule of thumb is, that majority rules. basically if there's issues on the yard that they have to try and resolve, the bulldogs would get together and take a vote if you will. and the majority rules to go with that, there's no set leader of bulldog. >> if a bulldog has a chance to attack a southern hispanic, right now on this institution in this yard, it's on sight. if they can get away from staff during an escort, a door accidentally pops, anything. okay? if there's another bulldog they're going to go at it, they're going to attack each other. >> we met robert galvan, a bulldog locked up in the shu, for numerous attacks on other inmates.