The FBI and Texas Rangers are assisting in the investigation into the disappearance of 9-year-old Edna Perez and 7-year-old Dafne Perez of Eagle Pass. The sisters were last seen around midday Wednesday playing at a park near their home.
Eagle police on Friday did not immediately provide additional details on the investigation.
Police earlier said they're trying to determine if the case involves a custody dispute. The youngsters had been in the temporary care of their grandmother. Police are investigating reports that the mother lives in Mexico.
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