Qwerty! Oh no! Damn. You keep dying!

Anyway, before we get all confused:

##VOTE: Yellow

Here's why:

I can't be insane (as I would be guilty in an investigation).
I can't be paranoid (I got an innocent result).
I can't be naive (I got a guilty result).

That means I MUST be sane.

I investigated Yellow, who got a guilty result. Unless I'm being a stupid rookie and missed something, which, lets be honest is entirely possible, that means Yellow is guilty as I am Sane.

I think.