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.

U.S. Border Patrol agents have discovered a manmade tunnel that crosses the Texas-Mexico border. It was found in a storm drain and leads to Ciudad Juarez.

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

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.

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,