over the mountains in denver, frank birgfeld was driving to his office and the phone range. >> vice on the phone said, this is somebody with the mesa county sheriff's office, are you paige's dad? yeah. did you know she was missing? barbara campbell got the call. >> she was told. >> she's missing. what do you mean she's missing? andrei land got the information in an e-mail. i knew something horrible had to have happened. >> no way for even a best friend to prepare for such a thing. >> stunningly beautiful. one of those women that was almost a little bit intimidating at first if you were -- you know, you're a more average mom. >> andrea land and the other young mothers of grand junction could have been forgiven for feeling a little envy. she had the look, the money, the big house on the hill, and three attractive kids. but no, it