On 27 July, Drinks Business reported that 6 people have been arrested in Spain for adulterating wine as part of an organised international operation involving over 60 companies. The group has been charged with using isoglucose, or corn syrup, and not grape must, to make wine, and grain- instead of grape-derived spirit to make brandy.
https://www.thedrinksbusiness.com/2020/07/six-arrested-after-e100m-wine-fraud-ring-uncovered/