"... in San Diego that was advertised as a wooden pallet business, resulting in seizures of more than a ton of cocaine and 7 tons of marijuana, the AP reports. At around 2,600 feet, the tunnel is the longest ever found along the California-Mexico border, reports the San Diego Union-Tribune. ..." http://www.newser.com/story/223932/feds-find-longest-ever-mexico-calif-drug-tunnel.html