How did two girls go missing for six years and nobody noticed? In August 2010, dirt bike riders discovered human bones in the notorious Belanglo State Forest, where, years earlier, Ivan Milat had so cruelly tortured and slain seven young backpackers. The remains were those of a young woman, who police dubbed 'Angel' after a T-shirt emblazoned with the word 'Angelic' found nearby. But 'Angel' lay unidentified for years. Who was she, how did she die, and at whose hand? Then, in July 2015, the bones of an unknown child were found in a suitcase by a highway in South Australia. Weeks later, a call to Crime Stoppers was the lead police needed. Clothing and a blanket found near the suitcase matched those in a photo of two-year-old Khandalyce Pearce who, with her young mother, had left Alice Springs in 2008 and hadn't been seen since. Through DNA, police were quick to identify Angel as Karlie Pearce-Stevenson, Khandalyce's mother. In the grimmest of scenarios, mother and daughter were reuni