In this riveting discussion, Dr. Alec Jeffreys, the inventor of DNA fingerprinting, and lead detective David Baker recount the chilling tale of two murdered teenage girls in 1980s England. They dive into the inadequacies of old forensic methods and the groundbreaking emergence of DNA technology as a game changer in criminal investigations. Dr. Jeffreys shares insights on how his work led directly to solving these horrifying crimes, while Baker reflects on the fear that gripped their community and the dramatic confession that changed everything.