The Suspect

There was only one set of keys to open the door to the rooftop, which Pablo had always carried with him. Usually, no one was willing to go to the rooftop. On the 10th of every month, the cleaners would clean the rooftop. Pablo would open and close the door himself. The key had never left his side.  Now that a decayed corpse had suddenly appeared on the rooftop, it would make sense that he was treated as the prime suspect.  At this time, Pablo felt that he could not argue against it. "I don't know who killed the person and dumped the body on the rooftop, but I'm sure I didn't kill anyone. You must find out who the killer is. You shouldn't accuse a good citizen like me wrongly ." "Are you sure you didn't kill him?" Jefferson retorted with a stoic face. No one could tell what he was thinking. Pablo argued, "Captain Hefner, please think about it carefully. Everyone in Peaksky Building knows that the only key to open the door to the rooftop is in my hands. If I really killed someone, would