Franklin police are investigating nearly a dozen auto burglaries that have occurred at area apartment complexes and subdivisions in recent weeks. According to police, each of the burglarized vehicles were left unlocked by the owners. A witness reported to police they saw four white males and a white female flee from the scene in a dark colored Cadillac. Franklin police are asking that all residents stay alert, remove valuables from their vehicles and lock their car doors. Anyone with information on the crime is urged to contact Crime Stoppers at 615-794-4000.