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Photo by: Delcia Lopez

** FILE ** In this April 19, 2011, file photo, a member of the National Guard checks on his colleague inside a Border Patrol Skybox near the Hidalgo International Bridge in Hidalgo, Texas. An unprecedented surge of children caught trudging through South Texas scrublands or crossing at border ports of entry without their parents has sent government and nonprofit agencies that handle their shelter, legal representation and reunifications scrambling to expand their services. (AP Photo/Delcia Lopez, File)

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