The fact was, Green wasn’t just your average Mormon grandpa. Over the past few months he had been handling customer service for the massive online enterprise called Silk Road. It was like a clandestine eBay, a digital marketplace for illicit trade, mostly drugs. Green, under the handle Chronicpain, had parlayed his extensive personal narcotics knowledge—he’d been on pain meds for years—into a paying gig working for the site.

http://www.wired.com/2015/04/silk-road-1/