The daughter, Barber, should be arrested for murder. Ought to be able to get negligent homicide to stick, at least.
And where was the appointed guardian at the end of the two-week detention… or "vacation".
Even when a person is declared less than competent, interference should be limited to preventing them from harming themselves or others. (I would want no interference at all, but I recognize that as a less than popular position.) They should have been allowed to be together.