This week we're joined by Gerry Thornton, a former Queensland cop who worked for 32 years covering high-profile investigations such as the murder of Lainie Coldwell. In part one, Gerry talks about his career and his habit of chasing up clues that other people tended to ignore.

‘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