je n'est pas d'idee pour cette exercice.. j'aurais besoin d'un peut d'aide. svp

Police report:

The first evidence is an opened and empty safe. 
Next to this safe there is the body of a men, laid on the floor. We can only see his back. This is the second evidence.
The third evidence is a broken door which is as well on the floor next to the body. On the left side.

Voilà ! j'espère t'avoir aidé(e) ! :)