In today’s ever changing environment, no organization and enterprise is immune from violence. Whether it is a church, movie theater, mall, or healthcare setting the need to plan for an act of violence, including active shooter events, is of paramount importance. And while public safety situational awareness and vigilance is an absolute must in our modern world, much thought has been given to how to develop plans, procedures, training and technology to stop these acts of violence. Here, we talk to Tim Sulzer, Chief Technology Officer (CTO) of ZeroEyes, about how physical security technology has evolved over the years to help make a difference in situations involving an active shooter or to reduce workplace and gun violence in various settings.