You will need the assistance of a lawyer. She should be able to fill you in on the details. Obviously that is a poor answer. I am a lawyer and can tell you that, generally speaking, you will need the...
Get them to do something really stupid in front of lots of people and they will be deemed incompetent Really dude, this is a very serious matter. Not a matter of stupid but every day survival from...
Generally, a person can be declared incompetent when they can no longer make rational decisions for their own care. The court may assign a relative or some one else to make legal, financial or...