>> yes, shallenburger have stated and the experts that have examined her agree that she was used by shallenburgerith teresa lewis before the killings. her attorneys cite a prison letter from shallenburger to another woman saying the only reason he slept with lewis was so she would give me the insurance money after the murders were committed. the prosecutor says this -- >> i can frankly say that teresa lewis is as evil a person as i've ever met. >> reporter: grimes says his investigation showed lewis herself took an active role in the plot, that she co nooifnniv >> her functioning ability is way beyond that -- >> reporter: you think she was faking? >> well, she certainly wasn't, as one of the experts said in the habeas proceeding, she wasn't motivated to score accurately and high on those tests. >> reporter: lewis' attorney says the accusation is silly. he says one expert tried to see if she was faking that and found that she wasn't. >>> also tonight on cnn, the pope meets face to face with sex abuse victims. what he told an audience today in great britain and why so many were upset by his visit.