In 1989, 4-year-old April Loveless was found dead in the backyard of her Texas home. Her mother Debbie Loveless and step-father John Miller told police that she was attacked and killed by the family dogs. Investigators did not agree and believed that April's wounds were not dog bites at all, but slashing injuries, consistent with a knife wound. John and Debbie were found guilty of murder and sentenced to life in prison. Five years later, the parent's prayers were answered when a forensic scientist saw something in the crime scene photographs that had been missed the first time around.