Virginia Tech survivor returns to the 2nd floor of Norris Hall, 12 years after deadly campus rampage

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Twelve years ago, Kristina Anderson nearly died in Norris Hall room 211 when a fellow Virginia Tech student carrying two handguns stormed in and opened fire, killing several of her classmates. For TODAY's Survivor series, she returns to campus to reflect on what she saw that day and how it inspired her life's work.