Answer:
"The Tell-Tale Heart" is an 1843 short story by Edgar Allan Poe. Detectives capture a man who admits to the killing of the old man with a strange eye. The murder is carefully planned, and the killer killed the old man's by pulling his bed on top of the man and hiding the body under the floor.
That story you're reading I hate it but there goes the answer :)
Step-by-step explanation: