The site of a mass shooting near Marjory Stoneman Douglas High School is sealed off in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Police officers stand guard near Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Florida Governor Rick Scott (2nd R) inspects the site of a mass shooting at Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Florida Governor Rick Scott (C) inspects the site of a mass shooting at Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Police officers stand guard near the site of a mass shooting at Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Police officers stand guard near Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Photo taken on Feb. 15, 2018 shows Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States. 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Broward County Sheriff Scott Israel (1st L) speaks during a press conference on the scene at Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. A total of 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Broward County Sheriff Scott Israel (1st L) and Florida Governor Rick Scott (C) attend a press conference on the scene at Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. A total of 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Superintendent of Broward County public schools Robert Runcie (C) speaks during a press conference on the scene at Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. A total of 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
A woman weeps as officials hold a press conference on the scene at Marjory Stoneman Douglas High School in Parkland, Broward County, Florida, the United States, on Feb. 15, 2018. A total of 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Community members share an emotional moment during a daytime prayer vigil at Parkridge Church in Parkland, Florida, the United States, on Feb. 15, 2018. A total of 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Community members share an emotional moment during a daytime prayer vigil at Parkridge Church in Parkland, Florida, the United States, on Feb. 15, 2018. A total of 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
Community members share an emotional moment during a daytime prayer vigil at Parkridge Church in Parkland, Florida, the United States, on Feb. 15, 2018. A total of 17 people were killed and over a dozen others were wounded after a 19-year-old gunman opened fire Wednesday at the high school, authorities said. (Xinhua/Monica McGivern)
