>> he allowed me to search the pickup and it was immaculate. when i went around to the camper, i noticed he was poking holes in it with a putty knife. >> inside the camper, investigators found bullet holes in the floor and in the liner underneath. larry told police he once tried shooting a mouse in the camper while on a hunting trip. but something caught the eye of investigators. a small piece of what appeared to be tissue on a window curtain. >> about the size of a quarter. there's no way to describe it other than it looked like a piece of chicken skin or something like that. >> being unsure what it might be, he took that -- the entire curtain with the tissue on it, and we got it sent up to the