The old guys eye starts to drive him crazy. Then he starts to watch him sleep and he kills the old man. He hid the old mans body under the house.
The police knock on his door because they heard a strange noise. Then they go in the house to check every thing out.
He walks them to were he killed the old guy and hid his body.The cops start talking to him. Then he starts going crazy,He hears the heart of the man he killed. And the beating of the heart gets louder and louder and louder and he starts to wonder if the cops could hear the beating. And he tells the cops what he did.