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    DATELINE SNEAK PEEK: The Laci Peterson Story: A Dateline Investigation

    01:53

    In a new two-hour special, Dateline takes a comprehensive look at the infamous case of Laci Peterson, after reporting on it for more than a decade. Newly unearthed interrogation video of Scott Peterson and an interview with retired Modesto Police Detective Allen Brocchini are featured. Keith Morrison reports Friday April 21 at 9/8c.