The boy is tired of being haunted by the old man's vulture eye and is going insane . He plans tonight to kill the old man and never see his eye again.
The boy waited patiently to strike down the old man and his time finally came. He jumped on the man and killed him along with his vulture eye. The boy feels relief and confidence that he is the smartest and most patient by waiting for the time to strike.
You will haunt me no more! I've waited too long!
Finally! My work is finished and so are you!
The boy now takes the body and disembodies him and buries him under the planks of the old man's bed
The police arrive in the middle of the night. They got reports about a shriek from the neighbors and they were told to investigate. They knock on the door and the boy being so confident he invited them in for a rest after they investigate.
The police found nothing suspicios around the hosue but the boy invites them in over the old man's body for a relaxing talk and then the boy starts to be driven insane for he hears the old man's heart beating. He finally admits to killing the old man because it drove him crazy
He admitted to the police about committing the crime and is put in jail forever.