and all of it was caught on surveillance video. surveillance cameras captured the moments that gunshots sent people scrambles. look closely and you can see one man on the ground shooting back. a second camera around the corner recorded three of the shooters from behind. one of them continued shooting as he backed away. when the shooting stopped, seven people had been hit including 1-year-old harem lawrence. it s tragic for a little kid like that to be shot at such a young age and he didn t do anything. reporter: local wrapper kafani says the young victim is his cousin. oakland police confirm people in the crowd had just finished recording a music video, but even though a promotional van with kafani was there, he wasn t. i can t tell you what video was being shot. but i was not there. reporter: oakland police chief howard jordan and other city and community leaders urged witnesses to come guard. if you ve seen something, say something. reporter: officials say they