People with FJB’s level of wealth don’t go to assisted living facilities unless they own the place. Unless, by some happy chance he does time in prison, he will live out his days in his mansion and beach house, with attendants seeing to his every need and want.
The attendants also have to make sure he does not wander away into a road or a snow-bank.
Many dementia folks love to take long and strange walks....
;-)
P.S. High end dementia facilities now have “outdoor walk areas” for the residents with trees and flowers so they can wander without leaving a secured and enclosed area. The landscaping hides the security features so the resident morale remains high.