December 20, 2015 5:35 pm Vanessa Herrera's Weather Forecast for December 20, 2015 Vanessa Herrera’s Weather Forecast for December 20, 2015 US & World Videos 3:04 Witness of Del Mar shark attack says victim ‘truly fought for his life' 2:53 Shark scientists using new DNA technology to track white sharks in San Diego's waters 2:10 Thousands run in San Diego's annual Rock ‘n' Roll Marathon 0:26 Crews battling fire across US-Mexico border near Otay Mountain 2:43 Large voter turnout at San Diego Mexican Consulate in Little Italy for presidential election