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Students are evacuated by police out of Stoneman Douglas High School in Parkland, Fla., after a shooting on Wednesday, Feb. 14, 2018. (Mike Stocker/Sun Sentinel/TNS via Getty Images)
Students are evacuated by police out of Stoneman Douglas High School in Parkland, Fla., after a shooting on Wednesday, Feb. 14, 2018. (Mike Stocker/Sun Sentinel/TNS via Getty Images)

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As nation grieves, shooting suspect appears in courtroom

CNN's Kyung Lah reports.

As nation grieves, shooting suspect appears in courtroom

CNN's Kyung Lah reports.