In this Feb. 28, 2018 photo, a police car drives by Marjory Stoneman Douglas High School in Parkland, Fla., as students returned to class for the first time since a former student opened fire there with an assault weapon.
In this Feb. 28, 2018 photo, a police car drives by Marjory Stoneman Douglas High School in Parkland, Fla., as students returned to class for the first time since a former student opened fire there with an assault weapon. Terry Renna AP
In this Feb. 28, 2018 photo, a police car drives by Marjory Stoneman Douglas High School in Parkland, Fla., as students returned to class for the first time since a former student opened fire there with an assault weapon. Terry Renna AP