The challenge we have is, the TPS confirms very few things to the public, regarding this case.
I believe that if the TPS knew for certain that the NW was not in the house, then the TPS would not have asked for the public's help in identifying him/her. So I believe it is safe to assume for now, the NW was in the house.
Regarding the TPS, when was the last time they had a Press Conference about this case?
We are coming up to the seven year anniversary. I believe it is time for the TPS to hold another Press Conference,
tell the public where the case stands and what the TPS plans are for the future.
If the TPS has given up, or just waiting for some miracle to happen they should say so, in my opinion.