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Nook spent the first few years of his life in an affluent suburb, a world away from the streets of Baltimore. But the city drew him back, and he and his friends became part of a generation caught between the crack epidemic that consumed their neighborhoods and the aggressive police tactics meant to fix the problem. For more information on today\u2019s episode, visit nytimes.com/thedaily. \n\nThis episode includes disturbing language and scenes of graphic violence.