Henry Cuellar

Border Patrol's checkpoints overlooked in debate over wall

As vehicles line up at the Border Patrol's checkpoint a half-hour drive's north of the U.S.-Mexico border, its agents have around 10 seconds to check each driver and decide which few they will stop for additional inspection.

It's a situation challenged constantly by smugglers, sometimes with deadly consequences. In July, 10 migrants died after a tractor-trailer packed with people made it through Laredo North, only to be discovered two hours later in a Walmart parking lot in San Antonio. Dozens of others streamed out of the trailer, gasping for air.

The Border Patrol considers its 34 permanent interior checkpoints along the United States' southern border such as Laredo...

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