June 2, 2017 7:45 am Security Tight for Rock ‘N' Roll Marathon NBC 7’s Liberty Zabala reports on the tight security surrounding this weekend’s San Diego Rock ‘n’ Roll Marathon. US & World Videos 2:45 La Jolla Concours d'Elegance classic race cars 1:39 Troops Endure Hyper-Realistic Training 2:07 New study links consuming red meat with dementia 2:05 Police find, return dozens of abandoned Amazon packages 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl
