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PARKLAND, FL - FEBRUARY 14:  People are brought out of the Marjory Stoneman Douglas High School after a shooting at the school that reportedly killed and injured multiple people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene.  (Photo by Joe Raedle/Getty Images)
PARKLAND, FL - FEBRUARY 14:  People are brought out of the Marjory Stoneman Douglas High School after a shooting at the school that reportedly killed and injured multiple people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene.  (Photo by Joe Raedle/Getty Images)

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Security analyst on shooting: I'm pissed

CNN security analyst Juliette Kayyem reacts to the deadly high school shooting in Florida.

Security analyst on shooting: I'm pissed

CNN security analyst Juliette Kayyem reacts to the deadly high school shooting in Florida.