in kader's hair was one of those unusual green carpet fibers.nder a microscope peterson could see the boomerang shape. just like those in the williams family carpet. this is an actual piece of that carpet, which the fbi's harold denman said was quite rare. >> it's got an unusual carpet fiber. it was manufactured for a limit amount of time. it was a ten-year-old carpet. >> on jimmy, the other victim, denman found yellow rayon fibers stuck to his cotton shorts. fibers consistent with the blanket under wayne's bed. >> i personally took the cutting from the yellow blanket that was under the bed. >> this evidence slide contains the yellow blanket fibers that he clipped that night magnified by our own video camera. but when larry peterson had returned that june for a second search a couple weeks later -- >> there was no yellow blanket to be found, that i could find. >> there are a lot of things many your case that disappeared. a lot of disappearances. yellow blanket. >> yes. >> disappeared. >> in the first place that was never a yellow blanket. >> the