U.S. Postal inspectors confirmed to Channel 2 Action News that this latest robbery brings the total number of similar incidents to three since July.
The two previous incidents occurred at the Lovejoy and McDonough post offices.
In the latest case, the worker told police that two men accosted the employee and the worker is said to be OK.
Officials said if you happened to be in the area of the Fayetteville Post Office Friday night and noticed something suspicious, please contact authorities in Fayette County.