The face on the milk carton

The face on the milk carton looks like an ordinary little girl: hair in tight pigtails, a dress with a narrow white collar, a three-year-old who was kidnapped more than twelve years ago from a shopping mall in New Jersey.  As fifteen-year-old Janie Johnson stares at the milk carton, she feels overcome with shock. She knows that little girl is she. But how could it be true?