unit with the sheriffs. when i first did one of these, we had an incident that made us quite nervous when a group came in started saying incendiary things and we had a little bit of conflict of people in the crowd. we have done things like that. i think that is the sort of thing that has to become more the norm. >> it sounds like other members of the congress are going to want to follow your example and bring in local police for these events. thank you for being with us. >> thank you. >> we'll continue to keep you updated on congresswoman giffords. we cannot forget that six people died including chief federal judge john roll. served for 20 years in a district that sprawled across the west. we are learning that he was no stranger to violence himself. peter is live in washington. >> as you said, john roll presided over a lot of controversial cases. back in february 2009, he