dietz testified that mrs. yates knew it was wrong, not just against the law, but against society and against god. that's pretty powerful testimony. >> dietz took it one step further and also presented a likely inspiration for andrea yates' actions. he testified that she had watched a "law & order" episode that week in which a woman, to be free of her responsibilities, drowned her children and got away with murder. >> the show we almost always watched was "law & order" and the ones she watched, i watched with her, you know? and so, you know, i heard about that testimony and i'm like, i don't think that happened, you know? >> but there was nothing solid to refute dietz's testimony, and after three weeks of trial, the jurors deliberated for just under four hours. >> the jury came back and i knew, when i saw that jury, what that verdict was going to be. >> we, the jury, find the defendant andrea yates guilty of capital murder as charged in the indictment. >> i was devastated. >> knowing how much andrea loved our childre