SAN DIEGO — Border Patrol agents are giving an inside look into a sophisticated drug smuggling tunnel found between the two border walls in Otay Mesa.
U.S. Customs and Border Protection said a foreign terrorist organization with substantial resources built the tunnel.
The uncompleted tunnel, extending over 1,000 feet inside the U.S., had electrical wiring, lighting, ventilation systems and a track system for transporting large quantities of contraband…