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SANTA FE, TX - MAY 19: Crime scene tape surrounds Santa Fe High School on May 19, 2018 in Santa Fe, Texas. Yesterday morning, 17-year-old student Dimitrios Pagourtzis entered the school with a shotgun and a pistol and opened fire, killing 10 people.  (Photo by Scott Olson/Getty Images)
SANTA FE, TX - MAY 19: Crime scene tape surrounds Santa Fe High School on May 19, 2018 in Santa Fe, Texas. Yesterday morning, 17-year-old student Dimitrios Pagourtzis entered the school with a shotgun and a pistol and opened fire, killing 10 people.  (Photo by Scott Olson/Getty Images)

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'Flipping the script' after mass shootings

Brian Stelter and Dave Cullen, author of "Columbine," discuss how media coverage of mass shootings is evolving. Cullen says killers are being deprived of attention: "The Parkland kids flipped the script."

'Flipping the script' after mass shootings

Brian Stelter and Dave Cullen, author of "Columbine," discuss how media coverage of mass shootings is evolving. Cullen says killers are being deprived of attention: "The Parkland kids flipped the script."