Give your patient the phone, and have her call her lawyer, or an elder law attorney. Since she is legally an adult, she should be able to get this legal advice from the appropriate professional. Try and get her to contact her own attorney- they ethically work for her, and will have her previous information.This can be a dicey situation, since she gave POA to someone. Just get her in touch with her own attorney.
Make sure you stay out of this. It's far too easy for people to turn on you, and it's never a safe place to get between a client and their family. they could trash your reputation in a heartbeat and report you for theft- even if it's not true, it would taint your reputation. Don't take it up with your agency, either, or you would be fired. They don't want to be a target, either.
You don't need to be a Harvard graduate to be a high-profile lawyer. You have to be good. Really Good. If you win trial in a high-profile case you will gain some notoriety. The more you win, the more exposure you have. Most high-profile lawyers are older and their reputations have been life long works in progress.