Williamson County authorities are investigating after at least 10 vehicles were burglarized overnight. Nine burglaries were reported between Midnight and 2 a.m. Monday at the Cedarmont Farms subdivision located east of Interstate 65, off Highway 96 and Arno Road. The final incident was reported nearby on Cedar Creek Drive. Authorities said each of the vehicles was left unlocked. The Williamson County Sheriff's Department and Franklin Police Department are investigating the crimes. Anyone with information is urged to call 615-790-5554 or Crime Stoppers at 615-790-4000.