to chris, he brings up kind of a bombshell that heather was possibly seeing another man. >> yes, he did. he did tell me that he believed that she was seeing somebody. and i tried to get information from him about that person. >> i really don't know anything about the guy other than they've been corresponding heavily. >> did she talk about him much? >> she hasn't talked about him at all. she doesn't want me or anyone else to know about him. >> reporter: kemp discovered heather had been talking about this new guy, just not with her husband. >> they had started texting, i think, initially and, kind of facebooking. and just, "hey, how are you?" i think slowly those text messages and those facebook messages became very flirtatious. >> i didn't even know his name. all i knew was that she was talking to somebody. >> reporter: who was making her happy. >> that was making her happy, and she felt very special and very beautiful. >> reporter: but police did need a name, fast. chris was able to provide at least part of that crucial detail.