Chula Vista May 7, 2020 11:30 pm Time for a Walk in the Park in Chula Vista NBC 7’s Dave Summers explains what is allowed at Chula Vista parks. US & World Videos 2:25 Man charged with murdering 12 year-old paddleboarder in Mission Bay 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