Border patrol agents discovered an underground tunnel connecting a residence in Tijuana to the San Diego area, which authorities said was being built to smuggle narcotics across the border undetected.

SAN DIEGO - U.S. Border Patrol agents recently discovered and disabled a nearly 3,000-foot-long narcotics smuggling tunnel sitting beneath the US-Mexico border. Agents found the tunnel — which linked ...

When border officials find drug tunnels that lead to the U.S., they are filled with cement and sealed off. But that doesn’t necessarily seal off their future use. According to a report by the Los ...

SAN DIEGO - The latest cross-border drug tunnel - equipped with a hydraulic lift, electric rail carts and a wooden staircase - was discovered Tuesday on the U.S.-Mexico border, highlighting an ...