Plane crashed, he was a pilot.
He was attack by Martians and they teleported him into the cabin.
In the middle of an otherwise empty field there lies a man wearing a pack. He is dead. There are no other clues visible.
How did he die?
A man is walking through the woods when he sees a cabin. He walks up to it and enters. He sees two people, strapped to chairs, covered in blood, obviously dead. How did they die?
Bob is dead in the INSIDE of his apartment. There is a puddle of water, a ball, some glass, and a broken window How did Bob die?
A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.