This is a classic example of when execution should be applied swiftly. No reason to prepare for a year before trial. No need for a long trial. Appeals would be useless. Don't let him sit on death row for 15 years. Do the DNA test. A quick trial. Then a bullet to the head.
https://www.foxnews.com/us/one-of-the-worst-cases-alabama-man-accused-of-girls-rape
https://www.foxnews.com/us/one-of-the-worst-cases-alabama-man-accused-of-girls-rape