When the Commonwealth Bank was hauled before a Royal Commission back in 2018 it had already tried every trick in the book to try and discredit its critics. 

From collecting dirt files to harassing journalists, it did everything it could to try and stop the truth about how it was treating its customers from getting out. 

But thanks to a few dogged former employees, the bank’s practices were exposed. 

Whistleblowers back then and today face risks with little protection from the law. 

Today, the reporter behind the story, investigative journalist Adele Ferguson, on how the Commonwealth Bank was caught out and why there are mounting calls for whistleblower laws to be strengthened. 

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Adele Ferguson, ABC investigative reporter