A Guardian investigation has revealed that a debit scheme – originally designed to help people on welfare to pay bills and expenses – is exposing people to financial harm. Now advocates say urgent action is needed to protect the most vulnerable. In this episode, Indigenous affairs editor Lorena Allam and chief investigations correspondent Christopher Knaus tell Matilda Boseley how the scheme crashed wildly off course and why repeated calls for reform have gone unanswered You can support the Guardian at theguardian.com/fullstorysupport