San Diego police prepare for large crowds - 100.7 Jack FM San Diego Radio & DSC- sandiegojack

SAN DIEGO (CBS 8) - The Fourth of July is here and thousands are expected to pack local beaches, and San Diego police and lifeguards are beefing up patrols to keep visitors safe.

News 8's Angelique Lizarde files this video report from Mission Beach with a look at the final preparations, including a high tech tool being used for the first time.