A young migrant girl waits for a freight train to depart on her way to the U.S. border, in Ixtepec, Mexico, Saturday, July 12, 2014. The number of unaccompanied minors detained on the U.S. border has ... more 
A young migrant girl waits for a freight train to depart on her way to the U.S. border, in Ixtepec, Mexico, Saturday, July 12, 2014. The number of unaccompanied minors detained on the U.S. border has more than tripled since 2011. Children are also widely believed to be crossing with their parents in rising numbers. (AP Photo/Eduardo Verdugo) less 
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Associated Press | Photo By Eduardo Verdugo
Sat, Jul 12, 2014 6:06 PM EDT