herweyer learned juanita's insurance policies would net tom nearly a quarter of a million dollars. that wouldn't make him rich, but it would free him from the pile of debt they'd wracked up building that expensive new home. and a tip led investigators to another possible motive. her name, kelli brophy. she worked at a convenience store on tom's fedex route. >> he spent a lot of time with kelli brophy. >> do you think they had an affair? >> yes, i do. >> kelli says it never happened. did you have an affair with tom richardson? >> no. >> did you think he was cute? >> didn't give it a thought. kelli says she and tom were just close friends who talked on the phone while they both worked at night. and what would you guys talk about during these calls? >> usually bible studies. >> if true, there was a lot of bible study going on. investigators learned they talked on the phone 383 times in less than ten months.