petero's son is the one on the receiving end of the late hit. to everyone's horror, petero finds woods and knocks the teenage player to the ground. >> i was like walking back to the sidelines. it was a kickoff, so offense was coming out. i wasn't like expecting it. he caught me off guard. >> you don't run out on the field and take actions into your own hands and hit a child. that's what the referees are there for, to call the penalties, and the game moves on. >> denise champion, brian's mom, can't believe what she's seeing. >> next minute i know, there are people running onto the field, everybody's fighting. people trying to break it up. there are kids crying. it was just a big chaos. >> when the dust settles, the man who started it all, 36-year-old father and assistant coach, is nowhere to be found. >> i thought the coach jumped over a fence and then there was like a car waiting for him. >> that day after the incident, he turned himself in to stockton police when he learned they were looking for him. >> scott smith is a reporter who covered the