the Obama administration is increasing its warnings to Central American families not to send their children on the treacherous journey.
Meanwhile, top Texas lawmakers toured a shelter Monday where the minors are being kept.
Agents say they're catching as many as 1,200 to 1,400 migrants a day in the Texas Rio Grande Valley, leading some to call this a refugee crisis, not an immigration issue.
"Everybody has found themselves just a little overwhelmed with the amount traffic that we're dealing with," says Raul Ortiz of U.S. Border Control.
In a statement to Central American parents, the Homeland Security Secretary is warning "there are no...free passes at the end."
Since October more than 52,000 unaccompanied children have crossed the southern border.
Finding space for all the migrants continues to be difficult and plans to transfer some to California to ease the overload in Texas have been at least temporarily canceled.
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