they were suspicious about why he waited 11 hours before calling 9-1-1. >> aaron quinn it took him hoursas not until that afternoon that vallejo police were able to talk to him after he came forward. >> aaron's mother later told us police polygraph him five times. he was given jail clothing, even little food or water and held in a small interrogation room for hours. across the country, denise's friends did not know any of this, but they knew enough to be worried. >> i mean, someone being kidnapped, be honest, a lot of those stories do not end well. and you don't want to think about those things, you think they are not going to be alive. >> then, about 33 hours after denise disappeared, -- reporter hendley lee. was standing outside aaron's home, when his phone bust. >> it was chilling, this email came attached with an audio file, and this audio file, there was a woman's voice. >> hi, this is denise huskins. >> the soft spoken woman on the recording said that she was denise. this very strange tale was about to get much more strange. >> what had happened to denise? was she still alive, or w