butch ford. >> some of my colleagues was, well, who helped her do it. she is a woman.he's pregnant. in order to do this, she had to have help. >> prosecutors had a hard time believing she was capable of killing michelle le, all by herself. >> we encouraged them to make sure they eliminated any possible suspects such as the father of giselle's child. >> that would be scott, the ex-boyfriend, butch is referring to. everybody's antenna went up. in late july, 2011, 63 days of michelle's disappearance, as the le family searched the hills for her, richey got a very strange phone call from scott, who sounded out of breath. >> saying he believed he found michelle's phone. i asked him, where did you find michelle's phone? in the backseat of his car. >>> coming up, at first police doubt scott's story. >> have we missed something? is he the other part of this? >> or was he giselle's next victim? >> did you have concern about scott's safety? >> yes. we advised him of that. if it is giselle, you have to be concerned of your life. >> this is your last and final warning. >> when "dat