"A newly released report from the European Commission suggests there is relatively little virtual currency use among organized crime groups", says CoinDesk.
Check out the full article here: http://www.coindesk.com/eu-report-digital-currency-use-by-organized-criminals-is-rare/
Here's the link to the European Commission report: http://europeanmemoranda.cabinetoffice.gov.uk/files/2017/07/10977-17-ADD-2.pdf