Perla De Velasquez and her daughter, Yoselin, hold hands after a tearful reunion at LAX on July 1, 2018. They had been separated by federal immigration officials for more than a month, according to a lawsuit filed by De Velasquez.

Perla De Velasquez and her daughter, Yoselin, hold hands after a tearful reunion at LAX on July 1, 2018. They had been separated by federal immigration officials for more than a month, according to a lawsuit filed by De Velasquez.

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DNA tests are in the works for separated migrant children and parents

Whether this practice is beneficial or unethical depends on who you ask. DNA tests are being performed on children and parents to try to reunite migrant families who were separated at the US border, a federal official with knowledge of the reunifications told CNN.

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Guatemalan woman reunited with 12-year-old daughter after month of being separated

Tears ran down the face of 12-year-old Yoselin as she embraced her mother upon landing at Los Angeles International Airport on Sunday.