The time was shortly after 10 p.m., nearing the end of the shift, when an urgent-sounding female voice came over the police scanner. โShots fired. At least eighteen, possibly nineteen victims. Some fatalities. This is an active shooter.โ I heard it myself and remember thinking, Was this real? Nineteen victims? You can generally tell the seriousness of a situation by the tone of the dispatcherโs …