Next tonight, to the emotional reunion of two brave boys that fought off a carja carjacker. He was no match for the little boys. Here's Ron Claiborne. Reporter: A mother in tears, but relieved. Two of... See More
Next tonight, to the emotional reunion of two brave boys that fought off a carja carjacker. He was no match for the little boys. Here's Ron Claiborne. Reporter: A mother in tears, but relieved. Two of her children shaken but okay. A joyful but improbable end to a parent's nightmare. It began when a man stole Lucia Lozada's car with her three children inside. When I couldn't see the car anymore I started shaking, thinking, what is he going to do with my kids? Reporter: The drama in San Antonio, Texas, captured on these police dispatch audio tapes. We're looking for a gold Nissan. Three kids in it. Got taken. Last known, jumped in it, took off with her kids. The kids are 7 years old for the twins, and 12-month-old for the other one. Reporter: But only a short while later, they were back. And what a tale they had to tell. I was kicking him. I was hitting him with the snake. Reporter: That's right. One of the boys beat the car thief with a toy snake until he let them go about ten miles away, near Marcia Garcia's home. I got up to the door and the little boy was shaken up and he said they kidnapped us. They kidnapped us. I said, come on. You're okay. Reporter: Fighting back has worked before. This Philadelphia youngster, who escaped by biting a man who snatched her. And now, these quick-thinking Texas twins who had the courage and creativity to fight back with the only weapon they had -- and tonight have identified a person of interest in the case. Ron Claiborne, ABC news, new York.
This transcript has been automatically generated and may not be 100% accurate.