Here are some examples of good questions ... and their answers (if you want to see the answer put your cursor over the "answer" icon).
Remember the detective's credo - "who, what, when, where, why and how". Be general in your questions at first, then try to narrow it down.
Q: Is the body outside human?
Q: Does he recognize the body outside?
Q: Is the body outside a female?
Still want some hints ... Ok ... do not assume anything. Even the era in which the story took place can not be assumed ... find out. Of course you will want to find out the cause of death but you thought of that ... right?