Says it all, really. Even if you have money you can't force an adult family member to get help. The law forbids it unless you can PROVE they are a danger to themselves and others.
ETA: I am Adam Lanza's Mother A heart-wrenching story of a mother coping with an intermittently violent son who has been diagnosed with a number of things. Though she has a job to keep benefits she has received no effective help from the mental health care system and long term placements other than jail don't seem to exist any more.