Thunder Bay Police are still trying to find the person responsible for a Mac's store robbery from August the 8th. That's when the Simpson Street store was robbed by a man wearing a disguise. Police say he confronted the clerks and demanded money. They say the man had a weapon but no one was hurt. Police describe the suspect as Native Canadian, 17-22 years old, just over 200 pounds and over 6 feet tall with an open scab below his left eye. A surveillance picutre of the incident has also been released.