1. A system to assist with managing an emergent event comprising: a plurality of fixed or deployable sensors; a second plurality of sensors, ones of the second plurality of sensors associated with respective ones of a plurality of users; one or more tracking devices associated with respective ones of the plurality of users; a processor, memory and inference engine adapted to: receive information from a plurality of the sensors and the one or more tracking devices, determine, based on the information from the plurality of fixed or deployable sensors and the plurality of sensors associated with the plurality of users if a deviation from an expected course of action has occurred, and generate an inference based on the determination, and a communications module in communication with the processor that provides one or more of a navigational aid and instructions to one or more of the plurality of users based on the inference.