A computer genius who built his own “fraud machine” allowed him to change his voice, making it easier to pretend to be genuine bank customers when speaking to the banks over the phone, stole hundreds of thousands of dollars.

https://www.news.com.au/finance/money/wealth/fraudster-sentenced-to-jail-time-over-homemade-machine/news-story/73c077a18b904933e5fd931bc4e7042a