andrei campbell of our san francisco general hospital, and also on staff at ucsf. he is at the forefront of world class trauma center that we have. and if you go day to day, and certainly with the 67 homicides that we have with the numbers of bodies that were showing up and people have shown up, many of which he saved, many of which he couldn't save that were victims of bullets and violence and gun violence in our city, you know that that's another good reason as to why we need to do as much prevention as we can. dr. campbell. >> good afternoon, mayor lee, supervisor cohen, chief suhr, members of the press. my name is dr. andrei campbell and i've worked at san francisco general hospital for the past 19 years as a trauma surgeon. before i came to san francisco i worked in new york. i have 24 years of experience of caring for victims in two major cities in our great country. this week all of us have watched with horror the events in newtown, connecticut, with great sadness as we learned the devastation that one person brought on that quiet community. i've seen the de