Sorry to hear of your present situation,

I guess if you really want to dig, if you know of the hospital her father was supposed to have gone to, you could call them to see if he was admitted.

Sounds like a classic scam call to me, but you have been to visit her already, so if she is scamming.. she obviously had an agenda from the start, maybe they all knew and are in on it.

Do you know any of her other contacts/friends/cousins you can contact ?