Migrants and advocates say that some people who have been waiting months for the opportunity to enter the U.S. legally have grown impatient and are willing to take a risk.
Customs and Border Protection was set up after 9/11 amid the fight against terrorism. Its responsibilities have ballooned with the influx of asylum-seeking migrants crossing the southern border.
Initial findings in an internal investigation suggest the child was not provided with proper care. The acting head of the agency said changes to procedures had been made.