Who robbed Papa Johns in Dale City?

From Prince William police: 

Armed Robbery – On July 11 at 11:00PM, officers responded to the Papa Johns located at 4814 Dale Blvd in Woodbridge (22193) to investigate a robbery. Employees reported to police that an unknown man entered the store displaying a knife and demanding money. The man took an undisclosed amount of money then fled the area on foot. No injuries were reported. A police K-9 was used to search for the suspects who were not located. The investigation continues.

                Suspect Description:

White male, between 20 & 25 years of age, 5’08’’, 180lbs with a thin build and brown hair

Last seen wearing a blue long sleeve shirt with white stripes, grey shorts, and black shoes