PATHOLOGY

Detailed explanation-1: -One night, though, the old man awakens as the narrator watches, revealing the eye. The narrator strikes, smothering the old man with his own mattress. The narrator chops up the body, and hides the pieces under the floorboards.

Detailed explanation-2: -On night eight he was startled by a noise and sat up in bed listening for a while. How did the narrator of Tell-Tale Heart kill the old man? He suffocated him with his heavy bed.

Detailed explanation-3: -On the eighth night, the narrator wakes the old man up and stands still in the room for an hour then he shines the lantern directly on the old man’s eye. He then starts to believe that he can hear the old man’s heart and this drives him to actually commit the murder.