You have spent about 12 weeks learning about chemistry and its respective laboratory techniques. The typical street-drug producer usually doesn’t have any chemistry background but instead simply mimic

You have spent about 12 weeks learning about chemistry and its respective laboratory techniques. The typical street-drug producer usually doesn’t have any chemistry background but instead simply mimics the synthesis learned from another person or, in some cases, a book. If you take this into consideration along with your success at producing aspirin, how well do you trust the producers of street drugs to make drugs safe for consumer use?