US officials find longest Mexico smuggling tunnel 70 feet under
Longest illegal border tunnel found by authorities in San Diego
US finds major cross-border tunnel used to smuggle drugs
Border Tunnel In San Diego Longest Ever Found: DEA
Authorities find longest Southwest border smuggling tunnel
Authorities find longest Southwest border smuggling tunnel
U.S. border patrol finds longest-ever smuggling tunnel on
Longest cross-border drug tunnel in history discovered in Otay
Authorities Find Longest Southwest Border Smuggling Tunnel