Having read about several of these scams in the past, the perpetrators usually get the victim to sign power of attorney papers giving them unlimited legal authority to act on their behalf. They then loot their checking and savings accounts, charge credit cards to the limit, sell the house, etc.
In the above case, the abuse of an elderly person charges may have been the only ones the prosecutor could bring with a possibility of a conviction.
Hubby’s sister did all that to father in law and we filed charges after a 3 yr lawsuit by us against her. They did absolutely NOTHING! Our lawyer put together a flawless case with absolute proof from banks against her before he handed it to the DA. They did nothing.