Town HallSophisticated drug tunnel found in San DiegoSan Jose Mercury NewsSAN DIEGO—US authorities on Thursday found a sophisticated tunnel used to smuggle drugs between Mexico and San Diego, the second such discovery in the region in less than a month. The half-mile passage runs from a residence in ...Sophisticated drug tunnel found in San DiegoStarNewsOnline.comUse of Drug Smuggling Tunnels UpMyFox PhoenixAgents Discover New Drug Tunnel In Otay MesaKGTV San Diegoall 152 news articles »