SIOUX FALLS, S.D. (AP) — A federal jury has convicted a Sioux Falls businessman accused in what authorities labeled a massive tax fraud scheme.

The U.S. attorney's office says 37-year-old Jacques Eviglo filed hundreds of fraudulent federal tax returns while doing business as Global Income Tax Services, to increase refund amounts for unsuspecting clients. He then skimmed money from the returns, accumulating more than $800,000 over four years.

A jury convicted Eviglo of 30 total counts of making false claims and wire fraud after a five-day trial. He's to be sentenced Nov. 26.

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