we need to address regarding the disappearance of mickey shunick. >> at first lavergne denied knowing. then a veteran of the criminal justice system, he asked for his attorney. >> you know, this is bull -- i didn't have nothing to do with that girl's freaking disappearance. if you're seeing all this, no, i want an attorney. man, this is over with. >> that's when detectives turned to the one person they hoped could break the case. they brought in lavergne's fiancee for questioning. >> i know you're nervous, but basically we just want to know about brandon. did he ever get angry? ever push you or hit you? >> never. not one time. >> you don't see that at all? >> i don't -- he's never showed that. i've never seen it. i don't even see that in him. he has been so gentle and kind and compassionate. he's amazing. i would have never said yes to a marriage. >> as it turned out, police ended up telling her more than she told them. her reaction would only confirm for investigators just how sinister lavergne was. >> i'm not sure that you know brandon as well as you think you know him. >> okay. >>