keith morrison: ritchie listened to giselle's tone careen from aggrieved, to furious, to threatening-- all in less than a minute. this was far from the subdued woman he had met back in may. it was apparent that she was a violent person. did you ever have any concern about scott's safety? yes. and we advised scott that. if it is giselle, you have to be concerned for your safety as well. and he might well be a target. yeah. keith morrison: esteban, it was clear in the recording, had become fixated on her old friend-- was convinced michelle had somehow broken up her relationship with scott. and yet, as ritchie took pains to discover-- michelle and scott were nothing more than just friends. she had a boyfriend. scott was just one of the many friends that she had. but the only person in this world that seemed to think that there was more to it was giselle. keith morrison: prosecutor butch ford heard the audio too