>> daniel, figured detective preadmore, must have assumed they found semen dna, so he told that consensual sex story. but then det. preadmore revealed a little more -- that dna, he told daniel, wasn't semen. it was skin cells, recovered where chelsea's costume had been violently ripped at the straps and the crotch. >> i have your dna where her stuff was torn. nobody other's, nobody else's. no one. >> okay. >> either something happened where it was intentional, unintentional, accidental, so listen to me. now is the time for you to tell us what happened because are you that monster murderer? >> no. >> did you have intention, but it just --