A makeshift memorial is seen outside the Marjory Stoneman Douglas High School, where 17 students and faculty were killed in a mass shooting on Wednesday, in Parkland, Fla., Monday, Feb. 19, 2018. …

A makeshift memorial is seen outside the Marjory Stoneman Douglas High School, where 17 students and faculty were killed in a mass shooting on Wednesday, in Parkland, Fla., Monday, Feb. 19, 2018. (AP Photo/Gerald Herbert)