A historic number of migrants are illegally crossing into the U.S., creating an overwhelming need for more help along the Texas border with Mexico. More than 13,000 unaccompanied migrant children are now in U.S. custody, sources told CBS News. The U.S. is on pace to stop more migrants crossing the border than in the last 20 years, Homeland Security Secretary Alejandro Mayorkas said Tuesday, calling the situation “difficult.” “We are expelling most single adults and families. We are not expelling unaccompanied children,” Mayorkas said in a statement.
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