. >> about 33 hours after denise hoskins disappeared, reporter henry lee was standing outside aaron's home when his phone buzzed. an email. >> what was chilling was that this email came attached with an audio file. this audio file, there was a woman's voice. >> my name is denise hoskins. >> the soft-spoken woman on the recording said she was denise. this very strange tale was about to get much stranger. >> what had happened to denise? was she still alive or was this all an elaborate hoax? >>> coming up -- >> we still don't know where denise huskins is. >> that cryptic recording. exactly what kind of message was it? >> she sounded absolutely calm. not terrified, not distressed at all. >> not as someone in fear for their life? >> right. >> then we get a tip that police are holding a news conference. that's when the bombshell came down. >> when "dateline" continues. feel the clarity of non-drowsy claritin and relief from symptoms caused by over 200 indoor and outdoor allergens. like those from buddy. because stuffed animals are clearly no substitute for real ones. feel the clarity. and l