In fact there were times in court today she had a pen and you could see her going like this, sitting at the defense take. like let's get on with this. you saw her when george anthony was up there, no emotion. >> greta: holly, thank you. casey was in court today as her father took the witness stand. people had a lot of chance to look at her. a professor says she -- a professor who says she is an expert in grief testified. she gave the opinion how someone may react when they lose a child. >> they will say nothing has happened. demonstrate risky behavior. do the very thing that their friends died...