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'.

‘They told me Celeste’s death wouldn't be in vain. So far, it has been’: Aggie Di Mauro Pt. 2
56:11

'My daughter’s murder could’ve been prevented’: Aggie Di Mauro Pt. 1
59:22

When the prison gates open: Tahlia Isaac Pt. 2
1:06:33