Dueling Confessions - S8.E36

When teenager Rosemary Anderson is found dead on the side of the road, her boyfriend eventually confesses to her murder, but in a strange twist, so does another man – serial killer, Eric Edgar Cooke. It would take the passage of another forty years, an author, and an expert in the field of pedestrian accident reconstruction to determine who was telling the truth. [also marked as S8:E26]