For 18 hours, ten-year-old Sharon Wills was held captive inside a stranger’s home—blindfolded, restrained and unable to know where she was. In this episode, Adam Shand reconstructs her abduction and the earlier Lower Plenty attack, as police begin to understand just how calculated their suspect really was. But Mr Cruel wasn’t as careful as he believed. Hidden among the evidence was a mistake that could one day reveal his identity.