and deejay sitting in the vip section. >> they stopped letting people downstairs because they wanted to start filling in the bleachers. >> and they all wanted to get down into the field, which was packed with people. and there are only a few access points where people could get through. and then so many people just started pushing, and you know, it just kept getting more dense and tighter and everybody's getting more squished. so, people just started climbing over the fences. >> almost imperceptibly, an orderly situation takes a dangerous shift. a local news chopper captures it all from the air. >> people in the crowd that i was standing with was saying "bum rush the gates." >> that's when i picked up my camera, because when i saw the thing start happening, i started shooting it. >> within seconds, the crowd breaches the barriers and rushes over the tops of tents that cover concession stands on the main floor. >> stop now!