A system of tracking location and movement of geographically dispersed entities with a cell phone with a GPS function, has a slave agent operable in the phone that collects location data from the GPS function and periodically sends a time and location data record to a master cell phone using prior art wireless network. The master cell phone has a master agent operable in the master cell phone that receives and saves the location data record, and plots and displays a location plot of each of the entity, enabling the master cell phone to track and display location and movement data of a plurality of entity cell phones that are geographically dispersed. The system requires the entity phone to be attached to or in possession of each of the entities.