A Bunnings employee and a nail gun. That was the key to foiling a potentially very deadly Christmas terrorist attack in Victoria. AFP's Lindsay Hall and Amanda Glover walk Gary through some of their biggest stings.

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

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

Inside the mind of a serial killer: Ian Cherrington Pt. 1
57:27