When Nick Spencer heard about the shooting that took place last week at a Catholic church in Minneapolis, he, like millions of Americans, was heartbroken. But as the chief operations officer of the security firm Strategos International, he also prepared for what he knew would come next. “Unfortunately, once an event occurs, there’s a huge inquiry that happens,” he said. “People want to know about resources: ‘What can we do to not be the next victim in this situation?’” It’s a ...