>> reporter: now that was huge. last time kate was seen with that ipod it was at the gym the day she went missing. now a man kate never met said heather gave him the ipod days after kate disappeared. just to be sure this was in fact kate's ipad, tech expert bill caps got the serial number and within minutes had the proof. >> i examined the registry file to the computers we had access to that kate used in the past so we had proof positive that was kate's ipod. coming up -- >> she said well, they didn't find her, did they? i knew they wouldn't find her. >> was heather kamp the con artist out of the gate? where was cakate waring? ing?