A system for identifying, to a person outside of an opaque building, the location of an agent within an interior of the opaque building, the system comprising: a locator device disposed with the agent in the building, the locator device comprising a transmitter and a magnetic sensor in data communication with the transmitter, the transmitter being configured to transmit locator information indicating the location of the agent relative to a reference frame, and telemetry data comprising the room temperature of the agent's location within the interior of the building and/or biotelemetry data comprising at least one of skin temperature, respiration rate and heart rate of the agent; a location receiver outside of the opaque building configured to obtain the locator information from each transmitter; a telemetry receiver configured to the receive the telemetry data from each transmitter; a model receiver configured to procure a 3D model of the interior of the building, wherein the 3D model comprises a point cloud in which each point represents a physical point of a surface within the building and has a known spatial relationship with all other points in the point cloud; a correlator configured to correlate the 3D model to the reference frame, to produce a correlated location representing the location of the agent within the building, and to correlate the telemetry data with the correlated location; a rendering module configured to render a 3D image from the 3D model and correlated location, the 3D image including an avatar representing the agent at the correlated location within the 3D image, wherein the rendering module is further configured to render, into the 3D image, a telemetry window at the correlated location so that the telemetry data is visually associated with the agent represented by the avatar; and a 3D display device outside of the opaque building in communication with the rendering module, the 3D display device configured to receive and display, to the person outside of the opaque building, the 3D image. a locator device disposed with the agent in the building, the locator device comprising a transmitter and a magnetic sensor in data communication with the transmitter, the transmitter being configured to transmit locator information indicating the location of the agent relative to a reference frame, and telemetry data comprising the room temperature of the agent's location within the interior of the building and/or biotelemetry data comprising at least one of skin temperature, respiration rate and heart rate of the agent; locator information indicating the location of the agent relative to a reference frame, and telemetry data comprising the room temperature of the agent's location within the interior of the building and/or biotelemetry data comprising at least one of skin temperature, respiration rate and heart rate of the agent; a location receiver outside of the opaque building configured to obtain the locator information from each transmitter; a telemetry receiver configured to the receive the telemetry data from each transmitter; a model receiver configured to procure a 3D model of the interior of the building, wherein the 3D model comprises a point cloud in which each point represents a physical point of a surface within the building and has a known spatial relationship with all other points in the point cloud; a correlator configured to correlate the 3D model to the reference frame, to produce a correlated location representing the location of the agent within the building, and to correlate the telemetry data with the correlated location; a rendering module configured to render a 3D image from the 3D model and correlated location, the 3D image including an avatar representing the agent at the correlated location within the 3D image, wherein the rendering module is further configured to render, into the 3D image, a telemetry window at the correlated location so that the telemetry data is visually associated with the agent represented by the avatar; and a 3D display device outside of the opaque building in communication with the rendering module, the 3D display device configured to receive and display, to the person outside of the opaque building, the 3D image.