Authorities in California arrested a former Napa winemaker on Wednesday for allegedly mislabeling cheap wines as pricey cabernets.

Jeffry Hill was indicted in San Francisco on federal charges of mail and wire fraud that carry potential 20-year prison terms.

He was later released.

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The man owned Hill Wine Co. of Napa, which suffered from bankruptcy two years ago.

Prosecutors claim Hill sold wine made from grapes produced elsewhere as genuine Napa Valley products.

Hill received a year in jail for stealing grapes from other vineyards for his own winery’s use last year.

The Associated Press contributed to this report.