John had tried several times to sneak out of his house. But every moment that he dared to do that, he always found that there was a lady in front of him. It was as if that lady was anticipating every of his movements.
But for the matter of trying to communicate with the police, to come over and help him, that thought never crossed his mind at all. The main reason behind that was because, in his home, there are a lot of things that could point out towards the crimes that he had committed.
Additionally, even if John decided to do that, his communications had been cut off by Jack. Now, other than using a letter to communicate in the old way, there was no way that John could contact anybody.