"don't flatter yourself. he's been cheating on you with me." but, says frances, the nastier texts bonnie received didn't come from her. she says, bill sent them. >> bill grabbed the phone, and he said, let me take care of her. >> no, he didn't. that was her. it was her sending those text messages. bill wouldn't have never disrespected me like that. >> reporter: but if there was any doubt that she'd been following the halls, she seemed to confirm it herself by sending photos of their house and frances' car. why were you sending those pictures? >> to piss her off. to defend myself. >> reporter: what are you -- i mean, you're the one -- but, but -- >> her telling me that bill didn't love me. her telling me that bill was using me. >> reporter: but bonnie, you're the one who is having the affair with bill. so why are you attacking his wife? >> because she was attacking me. and i will defend myself. >> reporter: one week after that text message feud came the car chase that left bill hall...