You can't plead insane just by acting weird in court. It doesn't work that way. All the planning that went into this is going to make it hard to claim insanity.
I know, but I have heard that this about the only avenue he has. Even though it is obvious that the guy knew what he was doing. I still think he is acting this way so he can try to plead insanity. Of course he does not stand a chance.