Law enforcement officers block off the entrance to Marjory Stoneman Douglas High School on Feb. 15 in Parkland, Fla. A day earlier a gunman opened fire in the school. Wilfredo Lee/AP hide caption
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Law enforcement officers block off the entrance to Marjory Stoneman Douglas High School on Feb. 15 in Parkland, Fla. A day earlier a gunman opened fire in the school. Wilfredo Lee/AP hide caption