BADNESS

GARY JUBELIN was Australia's most celebrated homicide detective, leading investigations into the disappearance of William Tyrrell, the serial killing of three Aboriginal children in Bowraville and the murderer Jeffrey Hillsley, who once described himself as 'Walking Evil'. During his 34- year career, Jubelin also ran the crime scene following the Lindt Cafe siege, investigated the death of Caroline Byrne and recovered the body of Matthew Leveson. He retired as a Detective Chief Inspector of the New South Wales Police.

Dan Box is a Walkley Award-winning journalist who has worked for The Australian, as well as London's The Sunday Times and the BBC.