Perth's billion-dollar gold scandal

As the saying goes: all that glitters is not gold. And at the Perth mint, which is in the business of selling the precious metal, that's certainly the case at the moment. An ABC investigation has found that holes in the mint's compliance regime could have left it a target for criminals trying to launder money.  Today, ABC TV Four Corners reporter, Angus Grigg, on why that could end up costing taxpayers millions of dollars.  Featured:  Angus Grigg, ABC TV Four Corners reporter