just mood swings but something far more complicated than that. >> the first time that i really noticed it was with the kids. she was always so gentle with them, soft spoken. and all of a sudden she was very cold and very abrupt with them. and i started noticing denis when this would happen, denis would take her away. he'd say, oh, we're going for a walk now. when they got back, she was back to normal. and finally we asked him, you know, what is going on? finally he said, you know, that's shawna. that's not wendy. he said, when she does that, she's shawna. >> wait, did wendy suffer from multiple personality disorder? that was never diagnosed. the stories were all anecdotal. but -- >> i met shawna. wendy and i met in a parking lot somewhere just to say hi. she was driving a very fast, very expensive car.