You cannot fence someone in who cannot get out easily. No chance that person is security on the site? If not, I would assume that they have since been escorted from the property....and put back up the following day.
Looks like they secured the fencing more securely between each section of fencing to make it harder for people to squeeze through and enter. There is a person living on one of the porches. He was not removed but they just fenced him in.
About the proposed design of this building