dna. >> the share point and clarify exactly where the discarded dna came from and he would not specify how the investigation narrowed in on deangelo but a former undersheriff who worked this case back at me '70s it says the was welcome news. watch. >> this morning i've been able to talk to the victims, we've had contact with. tears of joy, tears of joy, and tears that they could finally go to sleep and not think about the man in the mask over their bed. >> a current best-selling book about the golden state killer by the late crime writer michelle mcnamara renewed interest in the case but it did not offer new evidence. joseph deangelo was initially charged with two counts of homicide, now it is six. we expect the number to go up. shannon? >> shannon: a stunning. all right, thank you for updating us. bill cosby's bait now in the