Was it presented as fact to the jury? I am honestly asking to be pointed in the direction of search dog testimony. Thanks!
(P.S. VRWC_minion's theory is DW was in the house and out right away, which is what I have always thought, too. The less time someone is present, the less time the leave a scent that would be detected later)
I haven't seen anywhere it was presented to the jury. What I am saying very clearly is: Had the scent dog hit(Dw's scent) then it would have been reported and believed by everyone. When there was no hit it was never mentioned again. At least as far as I can find.
Good Luck, maybe you can find reference to it being acknowledged there was no hit.