on the ted bundy case, now a consultant to the green river task force. does this help you find the next one or illustrate why it's so hard to find and stop these people? >> one of the problems is police departments don't recognize soon enough the serial. we have been guilty for years of not communicating to each other well enough. >> i think there was an element of people thinking deja vu all over again because within the first week, there were five bodies found in or on the green river in one spot. >> once the killing started, keppel and others of the green river task force received a strange offer of help, ted bundy, sitting on florida's death row said he could help police find the killer. >> we wanted to make sure he was never tipped off about the real