Tunnel discovered by Sonora State Police and US CBP
SAN LUIS, Mexico (KYMA, KECY) - Semanario Contraseña reports a tunnel was found last month thanks to the use of a drone.
Police, with the Sonora State Security Department and U.S. Customs and Border Protection (CBP) officers, worked together to find the tunnel.
The entrance was on the Mexican side of the border, about five minutes away from the San Luis Port of Entry.