Students hold their hands in the air as they are evacuated by police from Marjory Stoneman Douglas High School in Parkland, Fla., on Feb. 14, 2018, after a shooter opened fire on the campus. (Mike Stocker/South Florida Sun-Sentinel via AP)
Students hold their hands in the air as they are evacuated by police from Marjory Stoneman Douglas High School in Parkland, Fla., on Feb. 14, 2018, after a shooter opened fire on the campus. (Mike Stocker/South Florida Sun-Sentinel via AP)
