Kellie Poppleton (9 of Hearts, California)

Fourteen-year-old Kellie Poppleton was brutally assaulted and murdered on December 2, 1983, and for almost 40 years, calls for justice have gone unanswered. But now, with advancements in DNA forensics, detectives are more hopeful than ever that they might be able to find their killer. They hope that the renewed interest in this case will give them the final piece of the puzzle and to bring the family the justice that is so long overdue.