First person evidence obviously does exist (unless I'm responding to a philosophical zombie), the problem is that it is cannot be verified by an outside observe

First person evidence obviously does exist (unless I'm responding to a philosophical zombie), the problem is that it is cannot be verified by an outside observer. I suppose you could say that something only becomes evidence when externally verified, but my response to that is that you have no way of knowing if that external verification is real or just a figment of your imagination, so that external verification doesn't really get you anywhere.