to lay that at the feet of sexual abuse, it would have to be severe sexual abuse. they've described nothing like that so far. >> jean, once the defense puts on its case, will they have to call casey to the stand? if there's no physical evidence of abuse or no record of it, it would have to be her testimony that it came from. >> that's a great point, because they're going to want instruction to go to the jury on this. the judge is going to look for evidence. here's the thing. if she puts her hand on the bible and swears to tell the truth, is the jury going to believe her? if they don't believe her, then they may really dislike her, hate her, and then if there's a penalty phase, what are they going to recommend for her, life or death? so it's a tough decision. >> dr. drew, i want to play just a piece of the conversation casey had when she was in custody, allegedly about this nanny, this nanny who is --