The origins of the show can be traced to 2001, when Pedro Mateu-Gelabert, a sociologist researching the relationship between H.I.V. and drug use, first glimpsed the packets in an empty building in the Bushwick section of Brooklyn, where addicts would shoot up. Immediately, he said, he was struck by the fact that the images on the glassine envelopes served as advertisements.In New York, for some reason, heroin is sold in little glassine bags or envelopes. I found that strange coming from Baltimore where heroin is sold in gelcaps. In New York they also wait "on line" rather than "in line." And in New York they have no friggin' idea how to make a crab cake.
Regional differences... crazy.