This is the latest
https://www.cbsnews.com/news/perris-...raise-courage/ which still doesn't tell us a great deal but more than what we previously knew.
If the 17 year old looked like a 10 year old because of long term starvation, that surely means this must of been going on for a long time.
I've got a hunch that it was the older ones that were chained up. Perhaps some sort of sickness going on in the parents minds where they couldn't bare them to grow up.
We will just have to wait and see but until then, there's going to be lots of assumptions.