January 29, 2020 5:21 pm Longest Smuggling Tunnel Ever Discovered Along the Southwest Border NBC 7’s Gaby Rodriguez is in Otay Mesa where authorities say the tunnel is 70 feet below the surface. US & World Videos 2:39 Police clear out pro-Palestinian encampment at UC San Diego; dozens arrested 2:32 How water pollution is changing how Imperial Beach lifeguards protect people 2:44 San Diego proposed budget eliminates gang violence prevention program 3:32 California, San Diego set all-time records for travel spending in 2023 2:56 Pro-Palestinian protesters move to downtown jail