SIOUX FALLS, S.D. (KELO) – Sioux Falls police are looking for an unknown robbery suspect.
Wednesday night around 8:30 p.m., police responded to a report of a robbery at a business near the intersection of West 41st Street and South Louise Avenue.
The investigation found that the suspect entered the store and walked up to the employee working. The suspect asked the employee to make change for him, and then pulled out a knife…