** ADVANCE FOR TUESDAY, OCT. 17 **Peggy Saunders and Christy Sheppard chat with a reporter in Ada, Okla., on Sept. 22, 2006. Saunders was the mother of Debra Sue Carter, who was murdered in Ada Dec. 8, 1982. Sheppard was Carter's cousin. Dennis Fritz and Ron Williamson were convicted of Carter's murder, but were released from prison in April 1999 after DNA evidence exonerated them, a tale that forms the basis of new books by Fritz and best-selling author John Grisham. (AP Photo/Ada Evening News, Richard R. Barron) ORG XMIT: OKADA101
