conraf want to kill?llion dollar life insurance policy, i'm the beneficiary. >> reporter: the beneficiary because he would be the one to look after the kids if anything happened to her. she doesn't know it yet but something might. his strategy? he would make it look like suicide. >> she shoots herself in the head, she kills herself. >> while you're recording him, you're not trying to talk about it. you're just in shock? >> uh-huh. >> reporter: sounds like joanna may be considering going along with the plan, wanting to know what the doctor is going to do for her. >> you're going to have to start thinking about money. >> why? >> you don't care about me? >> reporter: then joanna flies back to indiana, ignoring conraf's calls. he calls law enforcement and asks them to check on her, telling them he fears she may be suicidal. when joanna hears that word, she wonders if she's conraf's new target. she tells the officer what's really going on. >> did you share the recording with her? >> i did. and then her partner