The United States is in the midst of a significant uptick in active shooter events which, despite a slight drop in 2018, is still at historically high levels. More troublesome are the number of people killed during these shootings, which climbed from 214 in 2016

The threat of active shooters - defined by the FBI and other law enforcement agencies as an individual actively engaged in killing or attempting to kill people in a confined and populated area - has grown explosively over the past few years, placing new pressures