1. A computer-implemented method of tracking a subject associated with a mobile device, comprising: using a computer, processing an image data set and a mobile device location data set to determine a match, wherein the image data set comprises image, time and location information, and the mobile device location data set comprises mobile device identification, time and location information, and wherein a match is indicated when the time and location information from the image and mobile device data sets meet a prescribed degree of correlation; and in response to determining a match between the image and mobile device data sets, associating a specific mobile device with a specific image; wherein at least one of the subject's personal identity and location is unknown; wherein the image data set is received from an image capture system comprising a plurality of image capture devices; and wherein the mobile device location data set is received from a wireless location system configured to locate mobile devices; and further comprising analyzing the specific image to determine a specific personal identity to associate with the specific image and the specific mobile device, determining that the subject to be tracked corresponds to the specific personal identity, and tracking the location of the specific mobile device as a proxy for tracking the subject.