...Or, of course, it may be as transparent as it appears to be.

We need to 'prove beyond a doubt' who the Mastermind is, though. Whether or not that means collecting as much evidence as we can or whether that means there really will be something exposing the truth, we need to keep searching.

I'm inclined to think the entire diary is just a work of fiction, honestly. The bloodstains are a little too conveniently placed.