i think my jaw dropped right then. wasn t expecting that. he dropped a bombshell. reporter: becky s brother said he knew all about the affair between his sister and david. he told the investigator becky had once confided in him that david was trying to end it. she d come and meet one day or there in the parking lot crying. and i was like, you know, what s wrong? and that s whenever she told me she was having the affair. he then goes on to say that becky was, had been pretty upset, crying because david won t leave kay. he won t leave his wife to be with her. reporter: jacobs then revealed his sister had no intention of giving up on david or letting him stay married to kay. she had asked me if i knew of anyone or if i knew a way that we could do this to kill kay and make it look like an accident, like cut her brake line on her car and make it look like an accident, or do something in that effect.
insinuating that i would ever want anything to happen to her. reporter: as for those repeated calls from california the morning of the murder, david insisted he was genuinely concerned about kay. is it normal for you to call her that early in the morning, call kay, you know, 7:00 in the morning? always. i always call her cause i, like, talked to derek before he went to school. i started gettin worried. i thought maybe she was in an accident or somethin out on columbia road or somethin . reporter: edmunds started thinking david was telling the truth. so he changed course and asked david whether he thought becky had it in her to mastermind kay s murder. deep down inside, do you think she could do this? i thought never. i never thought that she would be like orchestrator or set something up like this. i did not think that. desperate people do desperate things. how, see, desperate for what? she s you. you. to hurt my wife? kill my wife? to have my wife killed? i m
affair between his sister and david. he told the investigator becky had once confided in him that david was trying to end it. she d come and meet one day or there in the parking lot crying. and i was like, you know, what s wrong? and that s whenever she told me she was having the affair. he then goes on to say that becky was, had been pretty upset, crying because david won t leave kay. he won t leave his wife to be with her. reporter: jacobs then revealed his sister had no intention of giving up on david or letting him stay married to kay. she had asked me if i knew of anyone or if i knew a way that we could do this to kill kay and make it look like an accident, like cut her brake line on her car and make it look like an accident, or do something in that effect. reporter: jacobs said at first he thought becky was joking. i d be like, well, becky, that s okay. you know, sometimes we all feel that way about people. you know, she s like, no. she s like, i really want he
investigation into the realm of soap opera and raise all kinds of new questions. you have these next-door neighbors, they re best friends, they re going on trips together. and then behind the scenes, you ve got love letters being written between rebecca sears and david parsons. reporter: notes like these uncovered later by investigators which showed things were getting pretty steamy on hot springs drive. in one david wrote, rebecca, i hope you like the picture frame. i wish i could had given it to you before i went to p.a. i love you baby. i miss you so much when we aren t together. and in another, rebecca, i just wanted to let you know that even when you don t think i am thinking about you, i am. i can t wait to see you! and becky wrote to david, being apart from you is very difficult, but being in love with you and knowing that you love me makes all of the time that we are apart bearable. it was a secret love the two had kept hidden in this small town where gossip tends to
morning? always. i always call her cause i, like, talked to derek before he went to school. i started gettin worried. i thought maybe she was in an accident or somethin out on columbia road or somethin . reporter: edmunds started thinking david was telling the truth. so he changed course and asked david whether he thought becky had it in her to mastermind kay s murder. deep down inside, do you think she could do this? i thought never. i never thought that she would be like orchestrator or set something up like this. i did not think that. desperate people do desperate things. how, see, desperate for what? she s you. you. to hurt my wife? kill my wife? to have my wife killed? i m not i do not believe that. reporter: edmunds kept pushing. eventually david revealed that more than once he d wondered just how desperate a housewife becky had become.