Professor Paul Goldstein of the University of Illinois conducted a detailed study in which he and his team looked at every killing identified as “drug-related” in New York City in 1986. It turned out 7.5 percent of the killings took place after a person took drugs and their behavior seemed to change. Some 2 percent were the result of addicts trying to steal to feed their habit and it going wrong. And more than three quarters—the vast majority—were like Chino’s attacks. They weren’t caused by drugs, any more than Al Capone’s killings were caused by alcohol. They were, Goldstein showed, caused
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