he found it in detective robert keppel's basement. 20 hours of ted bundy recordings, virtually untouchedthe story you're watching right now. >> in 1982 seattle again witnesses the disappearances and deaths of dozens of young women. seattle investigator bob keppel who had worked on the ted bundy task force is again searching for clues in the rugged wilderness around the city. >> with us this morning from our affiliate king in seattle is bob kep l, the cheaf keppel, the chief detective on the ted bundy case. now that you know something about these serial murders, does it help you find the next one, or does it just illustrate why it's so hard to find and stop these people? >> one of the problems is police departments don't recognize enough the serial. and we 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. >> once the killing started, keppel and other members of the green river task force receive a strange offer