As the rate of gun deaths grows in Texas, the pro-business state has turned to solutions that have transformed what it’s like to walk into schools and remade business priorities for executives who know these uniquely American tragedies can be lucrative. It spurred a $3 billion industry made up of active shooter training, consultants, surveillance technologies and safety infrastructure. But some experts question the booming line of business and whether any of these strategies are effective at stopping gun violence.

Katherine Schweit, a former FBI special agent and adviser to the National Center for School Safety spoke with OA Online about school safety and evidence-based strategies.