
This frame grab taken from a Monday, Dec. 12, 2016 video provided by the Mexican Attorney General's Office, or PGR, shows one of two tunnels found in an area of warehouses in the border city of Tijuana that lead into California. Prosecutors said Monday that one of the tunnels led into San Diego, California, and the other was unfinished. The Attorney General’s Office said the tunnels were apparently used by the Sinaloa drug cartel to move drugs into the United States. (Mexico's Attorney General's Office via AP)
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