really shot her. a truly shocking idea. something beyond devious. she shot herself, is what i thought. reporter: liz shot herself? that sounded crazy. or maybe, a certain kind of crazy. remember to help catch cari farver, liz had given the police her cell phone. and here s what detectives doty and avis found on that phone. a photo of cari farver s s.u.v., which didn t make any sense at all because we looked at the date that was taken. and it was taken on christmas eve of 2012. reporter: wasn t that when her car was actually missing? yeah, it hadn t been recovered till january of 2013. uh-huh. so, we thought that s that s weird that the police couldn t find it. dave didn t know where it was, but somehow liz was able to [ bleep ] take a picture of it. reporter: but that wasn t all. remember that threatening photo cari emailed to dave, of a woman