Every time a mass murder or terrorist attack occurs, we begin working backwards. Did the perpetrators offer early telltale signs? Could the tragedy have been stopped beforehand? In the hours and days that follow, we quickly discover it isn’t any single action, but a pattern of many behaviors, transactions and activities that foreshadow carnage. But what if we could get our arms around those patterns and predict an attack was going to occur with 80%, 90%, or even 100% certainty? What if we had the ability to intercept a tragedy such as the shooting that recently occurred in Las Vegas? That is the power...