Yeah, there wasn't a whole lot of movement with the jacket. if you're sitting in the rear seat of a car and you never move, that's where the transfer would be. >> finally, in the national park near where stephanie dittrick's body was found, investigators discovered remnants of a campfire. some of stephanie's personal items were strewn in the grass along with a plastic shopping bag. >> there was a shopping bag from a local grocery store and once it was submitted to the washington state patrol crime laboratory, what we found was a very clear latent fingerprint left by none other than gary ackley...