. >> doreen paddock says the suspect is a regular visitor to the clinic here and he has a reputation. >> he's a little bit of, i think a troublemaker. i've seen him before and heard about him. word gets around in the building. >> she says she saw him outside sitting in the wheelchair. >> he was fumbling with his hands and didn't look too happy. i start walking up and i heard you must have just got shot. after that. >> the department spokesman says that the suspect stabbed one of the officers. >> and shots fired. >> this is what that less than lethal weapon looks like. a shotgun firing a canister with a bean bag designed to immobilize an assailant. one other officer fired a service resolver, rob willis works nearby. >> there is two gunshots. we're at work, and this is probably 200 feet away. >> investigators are trying to determine if the suspect was shot in this chair or whether he was standing. and one witness told us he saw the suspect in the chair during the entire incident. you'll hear from him at 6:00 tonight. a source tells us the officer wounded suffered a deep gash on his arm

at that point i begin to try, first, to read what there is in available literature about richard doreen, but then it's kind of like a treasure map to go from one person to another person or one document to another document. so you're trying to first penetrate richard greene's inner circle who knew him, who could tell me about him. the case had been taken up by all these amateur sleuths who saw this case as a real life mystery that was greater than anything which conan doyle had invented. so they were all working the case in their own way. and that allowed me both to try to follow them and make sense of their discoveries as they investigated, and it also allowed me -- which i try to do in these stories -- is to try to go into a world that you wouldn't ordinarily see. a subculture, a hidden world. and in this case who knew there were these people who were utterly obsessed and fanatical about sherlock holmes and conan doyle. >> there's no sense -- [inaudible] finish can you explain? >> yes. again, who knew there were two clubs, one who pretend that conan doyle does not exist, and, therefor

in addition to judge roll, arizona also lost dorothy morris, doreen stoddard, fillies schneck and gabrielle zimmerman. let me take a moment to recognize the act of extraordinary arizonans who responded with professionalism and saved lives. law enforcement, emergency responders, the tucson medical community, and the staff at the university medical center. daniel hernandez, a university of arizona jr. showed no fear in the face of gunfire. his quick action in going to gabby giffords aid likely saved her life. daniel is here today and i'm going to ask him to stand and receive the thanks of a very grateful state. daniel. [cheers and applause] >> it was a sunny >> it was a sunny saturday at the supermarket in northwest tucson. it was a picture of what our country is all about. publicer is vents doing their duty. citizens old and young coming to hear, coming to participate in our government in action. we lost someone else on saturday. 9-year-old christina green who was just elected to her student council. she was hoping to be a positive part of the future of america. and we has become just that.