Bracing for some "brutal truths"

Most of us don't have a clear picture of what Australia's special forces do when they're on a deployment. In some ways, that's the whole idea, because secrecy comes with the territory. But some of those secrets are about to get a very public airing. Today on The Signal, the war crimes report Australia is bracing for. How did we get here, and what comes next? Featured: Mark Willacy, Reporter, ABC Investigations Unit