The suspect held the knife to the victim's neck and demanded money. The suspect forced the victim into the office, where the employee gave an undisclosed amount of money to the suspect.
The suspect left the area in a white, older model utility van with a ladder on its roof. The suspect was last seen driving west bound on Business Loop 70 West. The victim was not injured.
The investigation has been turned over to the Columbia Police Department's Major Crimes Unit.
Anyone with any information is requested to call CRIME STOPPERS at 875-8477.