vinny politan covered the trial for hln. >> travis is there, according to her and he's online. and they go to sleep. then they wake up and they get back to what travis and jodi always do, which is engage in sex. >> when travis was stabbed to death, jodi was immediately a suspect. but when investigators reached jodi by phone, she insisted she had been nowhere near mesa for months. this was version one of her story. >> that was around april that you last saw him, right? >> early april. >> you haven't been back in town since then? >> no, i haven't at all. >> but investigators are able to place her at the crime screen, thanks to a hand print, hair and travis' camera discovered in his washing machine. at 5:30 a.m. jodi uses the camera to take the last picture of travis alive. he was in the shower. >> what if i can show you were there. >> i wasn't there. >> you need to be honest with me, jodi. >> i was not at travis' house. i was not. >> you were at travis' house and you guys had a sexual encounter, which there's pictures. >> are you sure those pictures aren't from another time? >> p

vinny politan, covered the trial for hln. >> travis is there according to her. he is online. they go to sleep. but when they wake up, then they get back to what travis and jodi always do. which its engage in sex. >> reporter: when travis was stabbed to death, jodi was immediately a suspect. but when investigators reached jodi by phone, she insisted she had been nowhere near mesa for months. this was version one of her story. but investigators are table to place her at the crime scene thanks to a hair print, hair and travis' camera discovered in his washing machine. at 5:30 p.m., jodi uses the camera to take the last picture of travis alive. he is in the shower. by now, it was july. jo dim. was in police custody. but she was still sticking to version number one. >> you need to tell me the truth. this is absolutely over. you need to tell me the truth. >> if this is the shower. i was sitting here. >> the very next day, jodi decided to change her story to version two. claiming two intruders came into the house attacked her and fatally stabbed travis. >> reporter: then in 2010, tw