where was naiela. >> i sent her an e-mail all caps, are you alive? >> there was no sign of her and such a confusing trail of clues. even the calls to 911 were silent. >> no voice, no struggles could be heard. >> this could be kind of eerie. in my heart i knew she's not coming back. >> one of the suspects had an alibi, until a camera caught him in a lie. >> he was the life of a lot of smoke and mirrors. >> and the strangest clue of all there in an empty parking lot. >> six perfectly stacked cardboard boxes. >> why were they there? >> i watch enough "dateline" to know that's not a good sign. >> i'm lester holt and this is "dateline'. here's keith morrison with smoke and mirrors. it wasn't like this, it wasn't cold. no, it was hot and it was late after midnight september 27th, 2007. >> pretty secluded area next to a forest reserve. >> so it was and it was clear and dark and still, and vacant, here with the deep woods fought back against the decaying urban sprawl. >> i remember crying this violent cry. >> you're just waiting to wake up. >> feels like you

. >> in the middle of the big family was naiela. little moot they used to call her because once she decided something, all arguments against were moot. >> she was assure of herself from the earliest time. >> yes she was going somewhere. >>' always accepted you for who you were. like she glowed when she walked in a room. >> she began building a career eventually in farm sought cool sales. >> i think everything she wanted to be she was. just as a theme fabulous. quas the separation and she met that ma stayed in touch, never failed. call her she'd call back right aw away, text her she'd reply always. >> she managed to water all her relationships. she went time to everyone, friends, family. >> that's a pretty special skill. >> to manage that and your career. >> narrator: there were men, of course there were. though she was shall we say, discerning. >> the yunlg mention were of theical berle. >> what sort of guys? >> nice, respect recall men. >> professional men. >> she was dating with plastic surgeon guy, and this guy and that guy. >> s