Proof
As soon as he could get away, he needed to get back to the house – or what was left of it now. He still had the notes. He had proof that there really had been someone stalking him. If he could only hold the notes one more time, it would validate his entire story.
He needed this, and he needed to know that what had happened had not been an elaborate mixture of delusion and paranoia that his mind had spun into a twisted narrative of its own making. He needed to go back.