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
Lucio Rovis was one of the Big Five of the homicide squad, where he spent 25 years. He was transferred to a taskforce and then offered his old job back. It was too late.
understand how she was feeling? the grueling pain, the unrelenting terror, humiliation, loss? amber smith was a mess. i don t even know how to describe that feeling. reporter: black, darkness? yes, a place i never want to go again. reporter: if they could only find her attacker, arrest him, put him where he couldn t get at her anymore. investigators watch the clock for the dna results, and speculated. an attack like this is not somebody s first rodeo. they have had to have done something in the past. in my mind on a case of this gravity, we will get an answer within days. if we have the offender in codis. reporter: quotas, the national dna database that houses dna profiles of people who have been arrested for or convicted of felonies. detective senior also submitted