The narrator is a sociopath. How his character traits contribute to his motivation to confess is when he had killed the old man for his eye the narrator started to cut the old man body parts up and threw them into a chamber underneath the floorboards. He then proceeds to put the floorboards back, but in an order in which no one could tell that anything was underneath the floor in the chamber. While the narrator is preoccupied doing that the police then come because of a concerned neighbor. The narrator proceeds to open the door for the police and the police wanted to check around the house. The narrator was so confident that they wouldn't find anything that he asked them to sit and talk. He then began hearing voices and starts hearing things
