cut both ways. >> i think the knife that was pulled out of the lake is a problem. because it had no providence. there was nothing showing that it related directly to this case in any way other than that it was a serrated knife found in a lake near where one of the defendants lived, and the crime lab had said there was a serrated knife used. other than that, there was nothing. but they made a big deal out of that knife in the trial. >> this knife could have never produced the wounds that we're talking about on these bodies. even the state's pathologist described what it would have taken, if these wonders had been made by a knife, he said, you know, a practiced surgeon would have had a difficult time doing that. in fact, there is a ready explanation of how this occurred. it's postmortem animal predation. >> animal predation. that means it was possibly animals in that gully that had