what he saw in his eyes, or his heart. >> reporter: dan continued to cruise the war zone, willing himself to believe that his daughter was still out there. >> i thought she was alive and well and doing good but just didn't want to have any contact with the family. maybe i did something wrong. maybe it was me not letting her come back to the house. maybe it was camille saying no or whatever. >> reporter: but dan's confidence that michelle would turn up alive was suddenly shaken one night when the phone rang at the valdez home. the caller on the other end of the line had heard something shocking. >> we had gotten a call from a family friend of ours that i grew up with, and you know, i pick up the phone and she's like, oh, my gosh, i'm sorry about your sister. and i said, you know, what are you talking about? she said, michelle. michelle's -- michelle and cinnamon were stabbed and buried on the west mesa. >> did you know who cinnamon was? >> no.