The person's point of view we are in seems to be deranged. Even though he tells his love for the old man he still has an odd motive to kill him, just for fact of his pale blue eye. He succeeded in killing the old man and even got away with it from the police, but the guilt was so intense that he claimed to have heard the heart beating underneath the floorboards and he confesses his deed to the police. The killer describes his movements as profound.