In today’s era of school massacres carried out by gunmen armed with military-style weaponry, elected officials have—in the absence of bona fide gun control—turned to what they call “school hardening” as a solution. The ensuing demand for high-tech security mechanisms, social media surveillance, facial recognition cameras, rapid-response mobile alert systems, more drills and training, more police in schools, and more teachers with guns has made school security into a $3 billion growth industry nationwide.
After the 2018 high school shooting in the Houston exurb of Santa Fe, Governor
