Alzheimer's Disease Support Group
Alzheimer's disease (AD) is the most common cause of dementia and characterized by progressive cognitive deterioration with declining activities of daily living and neuropsychiatric symptoms or behavioral changes. An early symptom is memory loss (amnesia), usually manifesting as minor forgetfulness that becomes pronounced with illness progression, with relative...
I think that is a more then reasonable solution. We've had that kind of thing for decades when it comes to parentel visitiation of children where on parent may be dangerous or give cause for concern seems more then reasonable to do the same with elderly or those who are impared and could be harmed by relatives who are less then steller. This must be such a relief for you and takes the burden of keeping them in line off your shoulder.
Keep us posted on how this works out