Tunnel vision: Border Patrol agents to spot tunnels with advanced ground-penetrating radar

Criminals of all kinds are digging tunnels along the U.S. border at a fast and furious pace. Of every tunnel ever discovered by U.S. border patrol agents, 60 percent have been found in the last three years. Agents spot a new one every month.

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<p><a href="http://www.physorg.com/news165506563.html">Tunnel vision: Border Patrol agents to spot tunnels with advanced ground-penetrating radar</a></p> <p>Criminals of all kinds are digging tunnels along the U.S. border at a fast and furious pace. Of every tunnel ever discovered by U.S. border patrol agents, 60 percent have been found in the last three years. Agents spot a new one every month.</p>