When Andrew Atsbury went missing, police first thought he may have commited suicide. But after discovering a vital piece of evidence which was previously invisible, they knew it was murder. But where was the body? With new age forensics and old fashioned foot work, a man who had been trusted in the past would become their prime suspect. His interview with police is included in this episode.

In 1998, the brutal deaths of shopkeeper David O'Hearn and Lord Mayor Frank Arkell led to the city of Wollongong, New South Wales being gripped in fear. This episode shows how the tireless work of detectives and some scientific procedures helped to solve this bizarre series of murders.