Sheriff Fred Newman says they are looking for the man who took cash from Annie's Wholesale Tobacco in Abingdon.
Newman says the man asked the clerk for cigarettes and then grabbed cash out of the register and took off. Investigators believe the same man was at the store hours before the robbery.
The suspect is described as a Hispanic man, around five feet 8 inches tall and weighs about 180 pounds.
He has black hair and is believed to escaped the scene in a burgundy colored car.
If you have any information, please contact the Washington County Sheriff's office.