Author Jef Klein theorized that the bar Chumley's at 86 Bedford Street in the West Village of Lower Manhattan was the source. His book The History and Stories of the Best Bars of New York claims that the police would call Chumley's bar during Prohibition before making a raid and tell the bartender to "86" his customers, meaning that they should exit out the 86 Bedford Street door, while the police would come to the Pamela Court entrance.
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