According to the story “Tell-Tale-Heart” His motive to murder the old man is his evil eye. As you can see it’s pretty crazy to kill someone cause of an eye. The story says “I loved the old man. He had never wronged me.” This shows how he had no real reason to kill the old man, or at least we think.
I predict he will take responsibility for his actions. In my opinion anyone who kills someone unless its self defense, deserves to do there time