Wow.

Any chance the authorities don't already have this info? Any chance contacting them could help?

Private search/rescue takes big bucks, even if you had decent information; those places likely wouldn't talk to you unless you knew someone in that business.

...

I don't know. Other than magic on her behalf, I can't think of anything else.

But I will light a candle for her safety and freedom, and your clarity and peace.