BROWARD, UNITED STATES - FEBRUARY 14: Security forces guard around the scene following a school shooting at Marjory Stoneman Douglas High School in Broward, Florida on February 14, 2018. At least 17 people were killed Wednesday when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. ( Carlos Miller - Anadolu Agency )
BROWARD, UNITED STATES - FEBRUARY 14: Security forces guard around the scene following a school shooting at Marjory Stoneman Douglas High School in Broward, Florida on February 14, 2018. At least 17 people were killed Wednesday when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. ( Carlos Miller - Anadolu Agency )
BROWARD, UNITED STATES - FEBRUARY 14: Students meet their families following a school shooting at Marjory Stoneman Douglas High School in Broward, Florida on February 14, 2018. At least 17 people were killed Wednesday when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. ( Carlos Miller - Anadolu Agency )
BROWARD, UNITED STATES - FEBRUARY 14: Students meet their families following a school shooting at Marjory Stoneman Douglas High School in Broward, Florida on February 14, 2018. At least 17 people were killed Wednesday when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. ( Carlos Miller - Anadolu Agency )
BROWARD, UNITED STATES - FEBRUARY 14: Students meet their families following a school shooting at Marjory Stoneman Douglas High School in Broward, Florida on February 14, 2018. At least 17 people were killed Wednesday when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. ( Carlos Miller - Anadolu Agency )
BROWARD, UNITED STATES - FEBRUARY 14: Students meet their families following a school shooting at Marjory Stoneman Douglas High School in Broward, Florida on February 14, 2018. At least 17 people were killed Wednesday when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. ( Carlos Miller - Anadolu Agency )
BROWARD, UNITED STATES - FEBRUARY 14: Students meet their families following a school shooting at Marjory Stoneman Douglas High School in Broward, Florida on February 14, 2018. At least 17 people were killed Wednesday when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. ( Carlos Miller - Anadolu Agency )