in, they said they heard screams coming from the park. she was found naked and bound with red duck taped. when you see the photos, you can feel the terror. he left her for dead. we were shocked. as a dna laboratory that there were no other offenders. how is this guy not in the system? then, one day, you ve got a call. they said there s been an update on the case. it was like finally. i ve been thinking about who this guy was for so long, i don t think anything could have prepared me for that answer. how do you wrap around mind around the fight that someone you trusted this. i can picture him smirking. a second customization? yes. might screw up. what kind of person does that kind of thing? exceptionally sick, evil. reporter: the evening arrows warm and thick with anticipation. college students, returning a new, mix and drank with young locals. darkness fell on colorado. one more night to take a lusty bite of the flooding summer. that last friday
i woke up to an email from siobhan, she said call me, we have news about the duck tape case. i remember jumping out of bed and calling her. and she told me that we had a dna hit. i was so happy. i was over the moon, it took forever. we finally have an answer. reporter: and then detective seymour prepared to reveal this amazing new break to amber. after four years of bad news, she could barely contain herself. i called her, i told her that i had an update in her case, and can i come over and see you? and she said, yes. it was difficult to contain my joy. that we had found him. reporter: she raised over to tell amber, who, by then was living with her son in her own small apartment. she answered the door, and we said we have a hit, and i said we figured out who the dna belongs to that we recovered.
those picture perfect days, the kind that draw people to life in colorado. it was four years since the attack on amber smith. detective siobhan seymour was hiking with her kids. up in a place called hooter canyon, west of town. and her phone chirped. text message from her boss. she was like uni took all cbi there has been an update in your duck tape case. reporter: at that moment, what are you thinking? i was like we got him. reporter: if you get an update, it must be that? i couldn t imagine what also would be. reporter: she dialed melissa grass at the cbi. i picked up the phone and was really excited to say to her, you aren t going to believe what happened today. melissa was like, we got him. reporter: we have a codis hits on this case, we were screaming on the other side of the phone. it was elation.