U.S. Border Patrol agents and Homeland Security Investigations uncovered a man-made tunnel entering the U.S. from Mexico on Thursday. Agents discovered it in El Paso, Texas, near a storm drain system by the border wall during a security sweep of the area.

Border Patrol uncovers a cross-border tunnel from Mexico to El Paso, equipped with lighting, ventilation, and wood supports, used for smuggling.

A tunnel that has been used for a year is used to smuggle migrants, weapons and cash across the U.S.-Mexico border.

Mexican and US authorities on Friday discovered a clandestine tunnel under the Rio Grande River, which connects Ciudad Juarez in Chihuahua to El Paso in Texas. The passage was used for human trafficking,

Several federal agents have reportedly found a sophisticated "narco tunnel" in El Paso, Texas that has reportedly allowed cartel members to smuggle drugs and even humans into the U.S. undetected by border officers.