criminal. two, he probably knew he was going to get the answer. i don't think he thought the father was going to confess on the stand to accidentally drowning the daughter. it is not what he said, it is what happened. he cried at the end of the case, when the jury is going to be making a decision this weekend. that counts more than anything the man said. i was compelling from two of the people we heard in the courtroom. >> greta: while her father is crying the defendant accused of being a cold blooded murderer is sitting there, holly didn't see the tears. and the jury makes similar observations. >> right, look at her sitting there click a pen. symptomatic of somebody that might be a sociopath. very sad and tragic the whole thing. >> greta: diana, this grief expert. have you ever seen a grief expert in court before? was there any argument or debate whether such a thing is an expertise that a jury needs help with?