Detectives have many tools at their disposal. And when a suspect is in their sights, they'll explore them all - in the hope they can provide the evidence they need. But it's rare that something as simple as a potato can confirm their suspicions. In this episode we explore a baffling disappearance, which evolved into a murder enquiry. But while the suspect was under investigation, it would take an incredibly detailed forensic hunt to finally prove the case against him. Learn more about your ad choices. Visit megaphone.fm/adchoices