juan, whan. it is my good pleasure to join us in the dedication ceremony of the three hands-six arms. on this occasion i would like to thank the mayor and his colleagues for the great efforts to promote the chinese culture, and thanks to the san francisco arts commission for providing us with this opportunity to enjoy this buhl art work and to celebrate the sister city relationship between shanghai and san francisco. san francisco is well-known for it's cultural diversity, and it has always a long-standing and profound friendship with the chinese people. the former mayor, diane feinstein proclaimed the inception of the sister-city relationship between the two cities. and thanks to the concerted efforts after these 30 years. this relationship has achieved remarkable and substantial rulls. there have been 225 projects of cooperation between the two cities. many chinese companies have found a home here. i think what is more significant is that this city is going to stage a san francisco place at the

he was running in sort of a long gait but not a fast run and seemingly just randomly firing whan pulledp in front of him in my car i think i just got his attention and he turned without stopping in my direction just a brief moment fired three shots to my left and kept running. >> professor, based on your description it's somewhat mir ra can y -- a miracle that no one was injured. no one was injured other than this gunman that died from a self-inflicted wound. the gunman was inside the library at 8:25 a.m. when shots were fired in the library. does that timeline match what you saw a little after 8:00? could he have been shooting outside and then running towards the library and been in the library at 8:25? >> i think he very well could have been. he was probably in front of me around 10 minutes after 8:00. maybe more than that. i wasn't that particular with noting what time it was. in that neighborhood. he was two or three blocks away from the library where i understand he was found having committed suicide, which would have taken him four or five minutes to get there. then i under he was