There are Laws to protect the Elderly, yet loop holes for Lawyers. There are no agency's that will help when its family it's called a dispute. It's not a dispute when sick and scared Elderly are taken for a ride. I am not a writer, need to hire an editor, the % of family scammers is a horror, what seems to be legal is sad, and amazing. Officials need to make changes, but seems nothing gets done unless it's news worthy. No one knows or cares if it's not shown and proven. I know to many that have been done in by family, it needs to be addressed, elected officials who create laws should tell us how these loop holes are created, why there is no agency's or help when it does.
I sense your frustration, and anger, but there are no facts addressing anything, no instances, and it's unclear what your specific grievances are, to whom you want to write, and/or what you want to change, and how.
Sweeping generalizations also discourage people from listening. I.s., "No one knows or cares if it's not shown or proven." This kind of nonspecific accusation turns people off.
Obviously you're frustrated about something. Be more specific, cite instances and you would likely get some good suggestions from other folks here.