The wanted man has been caught on tape.
He has been targeting "GameStop", which is the world's largest video game retailer. One store in Santa Ana has been robbed four times since January.
Police say victims can only give a vague description of the robber. He always hides his face by wearing a hooded sweatshirt. However, authorities say he has brandished a handgun during the last two robberies. So, police fear he may use the weapon.