Police said Sunday that a 15-year-old boy ran away from the Texas shelter for migrant children, Casa Padre, NBC News reported.

The boy had been in conversations to be reunited with a man whom he called his father, but details on the man weren’t immediately clear. There was a discrepancy with a DNA test, and before it could be sorted out, the child ran away Saturday.

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A police source told NBC the boy is in Mexico and the man he calls his father is sending him money to get him back to Honduras.

“As a licensed child care center, if a child attempts to leave any of our facilities, we cannot restrain them,” Southwest Key said in a statement. “We are not a detention center. We talk to them and try to get them to stay. If they leave the property, we call law enforcement.”