Texas Boy Killed by Truck as His School Held a Walkout on Guns. El Paso (Tex), Gun Control, Parkland, Fla, Shooting (2018), Traffic Accidents and Safety, Demonstrations, Protests and Riots, Benko, Jonathan (d 2018), De La Torre, Xavier, Parkland Middle School (El Paso, Tex), Deaths (Fatalities), Education (K-12)