There is usually a few of them that you don’t even get to see anywhere along the many hiding places on the marginal road . Surely, they must relay what they see to the readily waiting cops at the end of the industrial stretch right where the marginal road merges with the Avenue. It works in the other direction too with the cops waiting around the trebol motors dealership. They target young ones that come and go from old San Juan and they are quick to assume that you are drunk or carrying drugs, thus they treat you BAD!