. >> forensic scientist curtiss jones used tape to collect any loose fibers from the blanket that covered judy's body. using a comparison microscope, jones compared the fibers to see if they were similar. >> the three fibers, three different fiber types that made up the trunk liner, were also found on the moving blanket. >> but were the fibers in larry's trunk an exact match to the fibers from the blanket covering judy's body? to find out, jones used fourier transformed infrared spectroscopy, a technology not available in 1978. and the result, the three fibers from the blanket were synthetic rayon, and the three fibers found in the trunk were also synthetic rayon. >> the evidence doesn't lie. in cases there's both sides of the story, but the only real size that doesn't ever lie is the evidence. >> more than two decades after judy's death, larry bruce was arrested and charged with her murder. and prosecutors also learned that judy was keeping a dark secret. something that larry bruce did not want to come to light. >>> 23 years after judy bruce's death, her husband larry went on trial for m