first, skyler moore aka c-styles was on trial along with derek.erek's jury would not see c-styles' disputed videotaped confession. it was ruled inadmissible. so prosecutors focused on derek's motive. here was a man, they told the jury, who'd do almost anything to avoid paying child support. >> crystal and her five-month unborn son were killed with one gunshot. one gunshot to the back of her head. >> that, said the prosecution, fit a pattern. they called derek's old girlfriend traci williamson, who repeated her story that the first time she was pregnant with derek's child, she was attacked by a man she didn't know. >> he put a knife to my throat. >> did he cut you with the knife? >> yes. >> and then during her second pregnancy, a second attack. >> somebody came and socked me in the face. and i went on the side of the car, and somebody stomped me on my stomach and my face. >> then derek's own daughter took the stand against him. she didn't testify in the first trial, but she told this jury that derek seemed to hate being a father. >> he would come d