with a mystery man. she is in the process of having an affair, whether local, long distance, i don t know. reporter: chris jones couldn t tell detectives much else about this other man, who he only knew by the name of edward. i ve just seen their correspondence. sweetie and love you. how do you know about the correspondence? were you able to see some of the texting yourself? yeah. on her phone or? yeah. you must have had concerns about this other man? yes, i did. because he was one of the first names that we had come up with. reporter: detective kemp knew if heather had split town, as her good-bye email suggested, she hadn t driven away in her car. it was still parked in her driveway. you know what kind of car edward drives? i don t know anything about him. i really don t. does he live here locally, obviously, in germantown? no. memphis? do you know? not that i know of. i don t think he lives in memphis. reporter: detectives had to find edward another
chris admitted he and heather continued arguing when she hung up with ed, but he insisted she was alive when he went home. and he said she sent that disturbing goodbye email only after he left. i m freaking out, because still, i don t know if this is a game. reporter: detectives had been analyzing that strange e-mail and asked forensic experts to comb through chris s computers seized at his apartment. a theory began to emerge. investigators now believed chris had written the email himself. did you suspect that chris was posing as heather, sending that email? yes i did, because chris was an expert when it came to computers. reporter: and what s more, they suspected it was actually chris who sent those sexy texts to ed, not heather. they believed he d stolen her phone and was pretending to be her. that is really weird that you re getting sexting from her husband. yeah, her husband. it s kinda one of them things, okay, i need to put that out of my mind. reporter: chris s p
was having an affair. but they didn t believe a word of his story or that his concern for heather was genuine. the reason you were freaking out is because she was dead. your actions after that make no sense. everything else after that was alibi. okay. so what did i do with her? that s what we re asking, chris. reporter: chris was sticking to his story, but the biggest break in the case was about to happen. what chris didn t know is that while detectives were turning up the heat inside the interrogation room, outside they sent some cadaver dogs over to the mall to sniff around his car. and now the team at the mall wanted to speak with detectives immediately. they said the dogs just hammered his car. they said they re all over it. reporter: they found the scent of human remains. i don t know why cadaver dogs hit on my car. i do. they don t just hit.
reporter: chris jones couldn t tell detectives much else about this other man, who he only knew by the name of edward. i ve just seen their correspondence. sweetie, i love you. how do you know about the correspondence? were you able to see some of the texting yourself? yeah. on her phone or? yeah. you must have had concerns about this other man? yes. yes i did. because he was one of the first names that we had come up with. reporter: detective kemp knew if heather had split town, as her goodbye email suggested, she hadn t driven away in her car. it was still parked in her driveway. you know what kind of car edward drives? i don t know anything about him. i really don t.
does he live here locally, obviously, in germantown? no. memphis, do you know? not that i know of. i don t think he lives in memphis. reporter: detectives had to find edward another way, so they accessed heather s facebook account and mined it for clues. and there it was, a profile with a last name attached. and what was that name? edward raulerson. reporter: police dialed a phone number they found for ed. he told them he lived 500 miles away from eastern tennessee and agreed to make the eight-hour drive to germantown to be interviewed. detectives wondered had he made the trip once already that week, to take heather away? and most importantly, could he tell them where she was now? just because you ve got somebody living 500 miles away does not mean that they didn t have anything to do with this disappearance. reporter: police recorded ed raulerson s interview. during questioning, ed made a potentially important admission. i love her to death, i would do anything f