October 28, 2011 6:36 am Do You have a Teenager Involved in Contact Sports? Whitney Southwick talks with Head Athletic Trainer at SDSU, Tom Abdenour, to get you what you need to know about concussions and your child. US & World Videos 2:29 Family mourns 13-year-old killed in Escondido crash 2:01 No evidence Oceanside Pier fire was arson, officials say 10:00 Small plane crashes into El Cajon neighborhood | San Diego News Daily 2:20 Audio details what happened moments before small plane crashed in El Cajon 0:46 San Diego's next police chief could be confirmed Monday