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Detective in ‘Dirty John’ Case Speaks Out
Jan. 9, 201800:20

    Dateline

    Detective in ‘Dirty John’ Case Speaks Out

    00:20

    Dennis Luken, a detective in the ‘Dirty John’ case, speaks to NBC News’ Keith Morrison this Friday, January 12 at 10/9c on Dateline NBC.Jan. 9, 2018

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