. >> on july 29, the victim was viciously attacked by anderson jackson, who it was later discovered was on parole for aggravated assault. as he came up behind her and punched her on the side of the head, while she was down in days, he flipped her over onto her back and began rifling through her pockets. be that some thought that she was going to be raped and killed right there on the street. she screamed as loud and long as she could. the suspect told her, shut up, bitch. there are two heroic ladies. [no audio] [applause] they were alerted by the screaming and ran to the rescue. they chased away jackson. well they went to post the victim's the systems, they jumped into a taxicab. he was 6'2"240 pounds. she was able to give it the description and the pattern of light. jackson doubled back an attempt to ditch her. she wept -- he went into an open garage. she had been able to get a good look at his face and was not fooled. she continued to follow him until officers arrived. she was able to point out jackson. both witnesses identified jackson as the culprit. they wrote statements to that ef

anderson cooper is next. >>> tonight, keeping them honest, christine o'donnell refusing to answer direct questions from us, insisting reporters are twisting her words. is she right or is she trying to play the victim? >>> also jesse jackson, jr., facing ethics questions of his own. details on that tonight. >>> also, a home invasion that ended in the murder of a mom, her two daughters. the trial is ongoing and today new evidence and insight on an alleged motive. testimony so disturbing the sole survivor had to leave the courtroom. >>> and later sanjay gupta continuing his series on disease detectives. a gripping race to solve two life and death medical mysteries. a little girl's life hanging in the balance, so does a mom's. we'll show you how a team of disease detectives are racing to save their lives. >>> we begin tonight keeping them honest with, the republican senate candidate dodging questions and a democratic congressman kind of doing the same. first christine o'donnell from delaware continuing to avoid questions. she announced last night she wouldn't be talking to the national media, she did that on a national forum, sarah palin recommended she use, fox news. for days now, our reporter gary tuchman has been examinin