After a high school dance in February 1974, 17-year-old Carla Walker was abducted from her boyfriend’s car at gunpoint in Fort Worth, Texas. Three days later, the police found her body in a ditch just a few miles away from her home. Although forensic science was still in t’s infancy, the first responding investigators were careful to preserve as much of the crime scene surrounding Carla’s body as possible.

For nearly five decades, Carla’s killer remained unidentified. Even after all of these years, could advances in forensic science and DNA test finally help the police identify her killer?