You can easily drop a fool by shooting him in the foot
Then if he proceeds shoot him in the thigh
Continue up the body if they persist
It really doesn't matter as long as you end up killiing him as your side of the story is the only one that will be heard, just make sure the scene represents the story. Watch the crime shows for tips on what they look for.
Or if all else just will not work out have a hole already dug for just this scenario.
I think I just wrote a poem.