>> that's the way our system works. >> greta: i found it interesting that the jury seized upon that. i wondered if i was being hypertechnical about the law? >> no. a big part of the prosecution's case was chloroform. i was easy, in my opinion, to discredit and give it no value and no weight. once you got rid of that -- i'm not saying there wasn't some sort of -- nobody knows what happened to caylee. i don't think chloroform was involved. i think they tried to make a strong case. but the chloroform seemedesque enough to move it aside. once that is gone, you don't have much to work with. >> greta: what do you think was the purpose of the chloroform? >> chloroform, i think maybe they had a feeling there was some sort of, you know, like trying to keep caylee quiet or something to that effect. they found the chloroform