Inside the chaos of the hoax shooter calls that disrupted college campuses nationwide

The calls seem to follow a script – a panicked and shaky caller says they are hiding in a college library, sometimes with the staccato of taped gunshots in the background.
therookiewire.usatoday

University of Tennessee used sophisticated networks in response to active shooter hoax

Before entering Hodges Library, the University of Tennessee Police Department already knew the active shooter call on campus was a hoax ... It had the personnel on site, equipment and training to know ...
WLWT

No evidence of shooter at University of Arkansas, officials say

Law enforcement investigated reports of an active shooter at the University of Arkansas on Monday.The university sent a text message to students through its emergency alert system at 2:45 p.m. saying ...