Story highlights A girl is seized by authorities who thought she was the daughter of a woman in Houston

DNA tests show she is not

The mother of Alondra Luna Nuñez says: "They stole my child"

(CNN) It's a case of mistaken identity that reached international proportions.

A 14-year-old girl was returned to Mexico from Texas on Wednesday after DNA tests showed she's not related to a woman who claimed the teenager was her daughter.

Mexican federal police seized Alondra Luna Nuñez on Friday in the colonial city of Guanajuato, in central Mexico, believing she was the daughter of a Mexican national living in Houston.

Several videos show the moment the girl was taken out of her middle school. In the footage, Alondra appears terrified, screaming at the top of her lungs and desperately trying to free herself from officers who are dragging her out of the building.

After a struggle that lasted several minutes, the 14-year-old was put inside a federal police truck that sped away as witnesses, including the teenager's aunt, watched and recorded.

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