About at midnight the narrator sneaks in the old mans bedroom and watches him sleep.
Falling Action
The narrator was about to open the lantern, when his thumb slipped upon the tin fastening, and the old man sprung up from his bed, crying out "who's there?"
Resolution
The old man groaned of fear. Then his heart kept beating faster, and faster until finally it stopped.
The narrator put him in the wall. Then the cops came to talk to the narrator about the screech they heard.
The narrator confesses to killing the old man. And they take him away.