As investigative reporter Patrick Begley puts it, it’s an apology that those Peter Dutton offended can’t remember, which he won’t repeat and doesn’t like to discuss. And some wonder whether he ever made it at all. It all centres on something the opposition leader said a while ago: “The reality is that Malcolm Fraser did make mistakes, in bringing some people in in the 1970s.”

Today, investigative reporter Patrick Begley on the mystery of the Peter Dutton apology.