A casino dealer in Hamilton has been convicted of cheating.
Bo Du worked at the SkyCity Casino for six years and was sentenced to nine months' home detention and ordered to pay reparation of $20,000.
The 33-year-old pleaded guilty in the Hamilton District Court on Monday to obtaining $52,000 by deception and of accepting money while holding a Certificate of Approval under the Gambling Act.
Two other people have also been charged.
The Department of Internal Affairs says it was called in after the casino discovered irregularities around its rapid roulette table.
Rob Abbott, the casino compliance manager for the department, says Du was operating an electronic roulette wheel and illegally obtained the money by manipulating the game.
"She manipulated the spin of the wheel so that the ball dropped before the final closure of bets, which is controlled electronically, so that her associates knew what the winning result was and were able to place bets before the machine actually closed off the betting."
The department says Du received a one-off payment of $15,000 from a casino patron, which is prohibited.
Mr Abbott says offending by casino workers is extremely rare. The conviction means Du can never work in a casino again.