July 3, 2016 11:25 pm San Diego Police Boost Security for 4th of July Police and lifeguards are preparing for Independence Day crowds, expecting up to one million people at beaches Monday. NBC 7’s Regina Ruiz reports. US & World Videos 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 2:59 Keep these travel etiquette tips in mind this holiday season