Based on the info OP provided, the land in question is probably part of "The Uplands", the residential development in that area to the left of Cedar Falls Way. For reference to anyone looking at parcel viewer, this residential area consists of plats over there that are several acres in size, including several "tract" areas.
The HOA laws specifically state no hunting in the Uplands. In addition to that there are "No Hunting" signs posted at the beginning of the development.
It sounds, from the description by OP, that this person is likely treading on grounds where they are not allowed.