But what if it wasn't? What if it was someone on the inside, only they didn't know the quiz answers and such, either? Like, they weren't told. But they would have been able to participate that way

Too many potential choices

We need some IP checking, here. What are the odds said person would use a proxy for something just like this?

Still my suspicions are on Sarah since she's the only person I've seen so far that knows who it is! XD