Enlarge (credit: ullstein bild / Getty Images News) Federal authorities have arrested a 23-year-old Taiwanese national and charged him with running an online market that sold $100 million worth of illicit narcotics, including fentanyl, cocaine, methamphetamine, heroin, LSD, and ketamine. The authorities said that for almost four years, Rui-Siang Lin operated and owned the Incognito Market, an online marketplace on the dark web that users worldwide visited to buy and sell illegal narcotics.