I don't know that we know. We speculated back some time ago that the daughter also lived with her parents and it was all informal and always had been, that her parents raised or helped her raise the children. Whether the daughter was always there or was with the children's dad off and on or had contact with him, I am not sure is known either. It appears that one day dad either talked her into getting them and moving out to live with him or near him and she decided to. Whatever the case is, from that point on was not good for Noah imo. Likely the sister either but particularly Noah.
At some point, it seems the mother lost the place she was living and was living in her car yet was in the apartment at times where the dad lived.
The grandfather suspected or knew of abuse from I think Noah or the sister and did call allegedly to CPS in the area the kids were, to no avail apparently. I do not know that they ever tried for custody or felt they could. He is devastated.
Why this mother ever, ever left with the kids and moved them is beyond me. Maybe she had a falling out with her parents caused by her or maybe the father of the children talked her into something with some grand promises if she brought them to live out there, or to help, I don't think we really know.
This is all to the best of my recollection. I can answer more freely here, did not want to go too far off topic on the other thread.
For all of these cases and how often I have called someone evil, Noah's father may be one of the worst of the worst of the worst of the devil incarnate that I have seen.
Others may recall some of these facts better than I.
Jmo and to the best of my recollection.