In episode 7 hosts Amy McQuire and Martin Hodgson explain the vital tool that is triangulation, and the way it is used to locate missing and murdered people. But it is a technology that is not applied equally, with police failing to deploy this vital resource all too often. The Australian parliament has recently passed new legislation to improve its use, but does it really address the root issue?

This episode is proudly brought to you by BlakCast and produced by Clint Curtis.