US NewsDark Web Fentanyl Dealer Sentenced to 7 YearsSavePrintAn Ontario Provincial Police officer displays bags containing fentanyl during a news conference in Vaughan, Ont., Canada, on Feb. 23, 2017. The Canadian Press/Chris YoungSamuel Allegri12/19/2019|Updated: 12/19/2019A 40-year-old man from Seattle was sentenced on Dec. 17 to seven years for selling an “enormous quantity” of fentanyl.Matthew Witters was a prominent seller of fentanyl on various encrypted websites such as AlphaBay and Dream Market between 2015 and 2017.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.