cause of death was unlawful. >> absolutely. unfortunately, because of the way the remains were, they were not able to show that. when you put the totality of circumstances together. partying, mother putting tattoos, lying about -- >> greta: that's the whole question. can the bad behavior, someone who is so wicked, her behavior is reprehensible can that sly the missing element needed to show it was an unlawful killing that it is murder? >> i think you can look at the whole course of her behavior in addition, it may be they didn't see that behavior. that partying that dancing. as consciousness of guilt. what he talked about that foreman with you, was motive. they thought motive offered by the prosecution was weak. remember the defense said, she partied before when caylee was alive. and then she partied after.