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b'As a teenager, Noura Jackson was convicted of killing her mother, and then spent nine years in prison. But from the start, prosecutors possessed a document that could have set her free. Why the omission of evidence, despite its life-altering consequences, is hard to detect \\u2014 and rarely punished. Guest: Emily Bazelon, a writer for The New York Times Magazine who has been following Ms. Jackson\\u2019s case. For more information on today\\u2019s episode, visit nytimes.com/thedaily.'