Smuggling Tunnel Discovered on US–Mexico Border is Longest Ever in Southwest US: CBP

U.S. Border Patrol San Diego Sector and partners discovered what appears to be the longest illicit cross-border tunnel known to exist along the Southwest border, designed to move large packs of drugs, according to a CBP announcement on Jan. 29, 2020. U.S. Customs and Border Protection

The longest cross-border smuggling tunnel ever found along the southwestern U.S.-Mexico border was discovered after a “challenging” multi-year operation, U.S. authorities announced on Jan. 29.

U.S. Customs and Border Protection (CBP) announced in a news release that the illicit cross-border tunnel was first discovered in August 2019 and stretched more than three-quarters of a mile from an industrial site in Tijuana, Mexico, to the San Diego area.