A rash of hoax calls about active shooters on college campuses — some featuring gunshots sounding in the background — has sent waves of fear among students around the nation as the school year begins.
The calls have prompted universities to issue campus-wide texts to “run, hide, fight.” Students and teachers have rushed to find cover, often cowering in classrooms for safety. Officers have swarmed campuses seeking out the threat. Yet in every recent case, the threat didn't exist.
