In part two of Gary's chat with retired detective Russell Oxford, he walks us through a series of murders in Sydney and Wollongong and how he and his team tracked down the killer- Mark Valer, then known as Mark van Krevel, a man dubbed 'the Butcher of Wollongong'.

Target on her back: Deborah Locke Pt. 2
41:38

The woman who blew the whistle: Deborah Locke Pt. 1
54:47

The price of freedom: Amanda Knox Pt 2.
52:38