They are both connected with the appearance of the victims; in this case, it has to do with the eyes of them. He feared me, but seemed by some instinct to despise me while he did so, and even when he drew back beneath my gaze, as he would when we were alone, to get nearer to the door, he would keep his bright eyes upon me still" This, compared with a quote from "A Tell Tale Heart". "For his gold I had no desire, I think it was his eye! Yes, it was this", would create a similarity. The only difference being that in, "A Tell Tale Heart" the eye is more a mental torture for the murderer, whereas in "A confession" it is more a physical feature causing the fatal killing.
The speed of decision for both were, again similar, the young child's" fate was decided after a fair amount of time, within which courage was built up, and a careful plan hatched "Neither did the idea come upon me at once, but by very slow degrees, presenting itself at first in dim shapes at a very great distance, as men may think of an earthquake or the last day, then drawing nearer and nearer, and losing something of its horror and improbability".
The elderly mans" murder was also a carefully plotted situation, every small detail was covered as the plan unveiled- "You should have seen how wisely I proceeded, and with what caution, with what foresight- with what dissimulation I went to work! I was never kinder to the old man than during the whole week before I killed him", this quote has a powerful effect on the reader, .
The eccentricity of the assassins" is again portrayed in different manners as we read on and discover the aftermath feelings of the them. The elderly mans" murder was considered a clever ingenious plot, leaving his perpetrator feeling immensely proud and satisfied with very little guilt whatsoever-"I placed my hand upon the heart and held it there many minutes, there was no pulsation. He was stone dead.