can make it work. i said no, i -- we cannot make this work. >> she was still interested in having a relationship with him. >> and didn't want to let him go? >> correct. and i'm sure he was motivated to not let his wife find out about that. >> which begged the question, where was ron holthouse later that monday evening when stephanie went for her walk? >> you're saying to me you were at home. you never went out on monday night? >> correct. >> the detectives called in ron's wife, cindy. >> it would not be unheard of for a woman to be very upset that her -- to find that her husband has been seeing another woman and want to go to significant lengths by eliminating that temptation. >> her alibi? she was home, sleeping, right next to ron. >> okay. did you know -- do you know for sure if ron was in the house? did he leave at any time that night, on monday night?