The victims told authorities the man pulled a gun on them around 7:30 a.m. while they were outside the store. The gunman then ordered them inside the store while he planned to "take the truck."
The employees tell police they locked themselves inside an employee office and called 911.
When police arrived, the suspect was gone and the truck was still outside the store. It appeared the suspect was unable to find the keys.
The victims told police the suspect appeared to be drunk or high. At the time of the crime, the suspect was wearing a black cap, navy mask and black leather jacket.