PHOTOS: 17 Confirmed Dead In Florida School Shooting

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Law enforcement personnel work the scene at 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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: A law enforcement officer stands at the front door 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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Fire Rescue personnel work the scene at 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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: People wait for loved ones as they 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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: The Marjory Stoneman Douglas High School is seen 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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Fire Rescue personnel work the scene at 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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Law enforcement personel work the scene at 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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Law enforcement personel work the scene at 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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

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)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott speaks to the media as he visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Victoria Olvera speaks to the media after she escaped the shooting at Marjory Stoneman Douglas High School that killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Sarah Crescitelli leans on her mother, Stacy Crescitelli (L) after she escaped the shooting at Marjory Stoneman Douglas High School that killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Scott Israel, Sheriff of Broward County, (L) and Florida Governor Rick Scott speak to the media as they visit Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Scott Israel, Sheriff of Broward County, (L) and Florida Governor Rick Scott speak to the media as they visit Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Nathanael Clark (L) and his father, John Clark, speak to the media after Nathanael escaped the shooting at Marjory Stoneman Douglas High School that killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Florida Governor Rick Scott visits Marjory Stoneman Douglas High School after a shooting at the school killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)

Shooting At High School In Parkland, Florida Injures Multiple People

PARKLAND, FL - FEBRUARY 14: Law enforcement personnel work the scene at the Marjory Stoneman Douglas High School after a shooting at the school that killed 17 people on February 14, 2018 in Parkland, Florida. Numerous law enforcement officials continue to investigate the scene. (Photo by Joe Raedle/Getty Images)