The guy on facebook followed up as well with

"Sarah omg i really wish it was fraud. You dont even begin to know how bad this hurts.You dont even know her last name? Well, I talked to her everyday and I sure do miss her already.
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Tori, she is like an aunt to me and Matty her significant other called my mom Friday night. He said it will be a few days before arrangements are made as they are waiting on an examination."

I really, really wanted it not to be true :(