Ultimately, Sydney’s criminal queens were brought down by something much more mundane than razor battles: tax law. The Tax Department came after Leigh first, charging her with unpaid taxes and fines dating more than a decade old. Following these fines she was found bankrupt. In 1955 Devine was handed down a £20,000 fine. Though her business continued afterwards, it began to diminish. Her last brothel was sold in 1968.
Reminds me of the 2018 'Thot Audit'- girls selling sex/nudes online suddenly found themselves reported to the IRS, with similar effects.