PHOTOS: Scenes From Deadly Florida High School Shooting
/ CBS News
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)
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Security speak with people near Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018 following a school shooting.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michelle Eve SANDBERG (Photo credit should read MICHELLE EVE SANDBERG/AFP/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)
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Students gather following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami, February 14, 2018 .
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/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)
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Students react at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018 following a school shooting.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve SANDBERG (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
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Students leave Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018 following a school shooting.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve SANDBERG / The erroneous mention[s] appearing in the metadata of this photo by Michele Eve SANDBERG has been modified in AFP systems in the following manner: [Byline: Michele Eve SANDBERG] instead of [Eva Hambach]. Please immediately remove the erroneous mention from all your online services and delete it from your servers. If you have been authorized by AFP to distribute it to third parties, please ensure that the same actions are carried out by them. Failure to promptly comply with these instructions will entail liability on your part for any continued or post notification usage. Therefore we thank you very much for all your attention and prompt action. We are sorry for the inconvenience this notification may cause and remain at your disposal for any further information you may require. (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
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Students react following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
US-SHOOTING-SCHOOL
Students react following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
US-SHOOTING-SCHOOL
Students react following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
US-SHOOTING-SCHOOL
Students react following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
US-SHOOTING-SCHOOL
Students react following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
A gunman opened fire at the Florida high school, an incident that officials said caused "numerous fatalities" and left terrified students huddled in their classrooms, texting friends and family for help.
The Broward County Sheriff's Office said a suspect was in custody. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/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 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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Vehicles are parked outside the Broward Health Emergency facility where victims were taken following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
Seventeen people were killed when a 19-year-old former student opened fire with a semi-automatic rifle at the Florida high school, the local sheriff said, calling the scene "horrific." Broward County Sheriff Steve Israel said the victims were a mix of students and adults, though he could not confirm if the adults were teachers. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
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Students and adults leave following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
Seventeen people were killed when a 19-year-old former student opened fire with a semi-automatic rifle at the Florida high school, the local sheriff said, calling the scene "horrific." Broward County Sheriff Steve Israel said the victims were a mix of students and adults, though he could not confirm if the adults were teachers. / AFP PHOTO / Michele Eve Sandberg (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)
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Trauma surgeon Dr. Igor Nichiporenko (C) and director for emergency medicine Dr. Evan Boyar (R) address the media outside the Broward Health Emergency facility where victims were taken following a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, a city about 50 miles (80 kilometers) north of Miami on February 14, 2018.
Seventeen people were killed when a 19-year-old former student opened fire with a semi-automatic rifle at the Florida high school, the local sheriff said, calling the scene "horrific." Broward County Sheriff Steve Israel said the victims were a mix of students and adults, though he could not confirm if the adults were teachers. / AFP PHOTO / Michele Eve SANDBERG (Photo credit should read MICHELE EVE SANDBERG/AFP/Getty Images)