This episode is brought to you by The Dark Side Of, a Parcast Original. For more episodes like this one, subscribe to The Dark Side Of on Spotify, or wherever you listen to podcasts. When Prohibition went into effect in 1920, New York City's nightlife was thrust underground. Liquor production was taken over by bootleggers. Clubs were taken over by mobsters. And jazz musicians played on the bandstand, with guns literally pointed at their backs.