Detailed text transcripts for TV channel - CNN - 20170128:22:36:00
Mexico. this is a tunnel that stretched about 760 feet from tijuana into a warehouse or would have stretched into a warehouse on the other side of the border. and we're about 70 feet underground right now. >> that's one of the deeper tunnels we've ever found. >> lance is part of a specialized team of border patrol agents known as the tunnel rats. they work underground. navigating tunnels and surn systems. >> do you think these tunnels started appearing as a response to more fencing going up in the area? >> i'm sure it probably did. >> we're also still talking, there's a lot of stuff they have ...
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