paige called biegler. >> to see if i made it back into denver. then we had a brief conversation. >> reporter: paige told biegler she wasn't home yet. she was stuck behind a bad traffic accident in grand junction. and indeed, investigators confirmed there was a fatal traffic accident right here at this intersection. somebody saw paige's car here, too, that very evening. thing is, this is five miles past her house. why was she here? an hour later, 9:56 p.m., paige's 8-year-old daughter, jess, left this anxious voice mail message on her mother's cell phone. >> hi, mom, it's me, i was just wondering when you would get home. love you, bye. >> reporter: no response. her daughter waited, worried, and called again. >> hi, mom, i was just wondering when you were gonna get home. bye. >> reporter: they slept then. best they could. all three children. and awoke the next day, friday, june 29th to a whole new kind of anxiety. she still wasn't home. >> hi, mom, you said you would be back last night and you're not even back today. bye. >> reporter: something in