Brent Simpson and Gary knew about each other back when they were on opposite sides of the law. Now, they sit down man to man to talk about Brent's life as a bike Sergeant-at-arms and the lessons he's learnt since leaving and turning his life around.

‘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