When the narrator does this, he is able to express his emotions and thoughts to the reader without literally saying, “I feel this person deserves to die.” He is able to have the reader express feelings they would have if they were having a conversation with somebody rather than listening to a story. The narrator from “A Tell Tale-Heart” shows this when he says,
“I bade them- search well. I led them, at length, to his chamber. I showed them his treasures, secure, undisturbed. I brought chairs into the room, and desired them here to rest from their fatigues while I myself, in the wild audacity of my perfect triumph, place my own seat upon there very spot beneath which reposed the corpse of the victim,” (Poe 95).
When the narrator was able to tell this from his point-of-view, he was able to express that he was confident and proud of not only what he had done, but was able to get away with it, without referring to those words