> it looks like they were selling fairly ethical stuff; according to the article, they sold "LSD, ecstasy, fentanyl, mescaline ketamine, DMT and high-end marijuana"
"Fentanyl is approximately 100 times more potent than morphine, with 100 micrograms of fentanyl approximately equivalent to 10 mg of morphine and 75 mg of pethidine (meperidine) in analgesic activity."[1]