– I require theories related to emergency response to an active shooter situatio

– I require theories related to emergency response to an active shooter situation. – Specifically theories related to the Incident Command System, management of an emergency incident, decision making.
– Theories applicable in identifying an individual who shows traits of being an active shooter so that the occurrence of the active shooter incident can possibly be prevented.
– Theories relating to the active shooter event.
The purpose of identifying these theories is to improve emergency response to this type of incident. Theories that can help develop a strategy to respond to this type of incident. Please only use peer reviewed journal articles only as sources. Please complete in APA format and provide sources in APA style in works cited page.