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'.

Murder in slow motion: Claude Robinson & Vince Hurley Pt.2
1:04:01

Rejection, resilience and the road to prison: Claude Robinson & Vince Hurley Pt.1
1:04:04

How to spot someone planning a mass attack: Ian Cherrington Pt. 2
53:15