CNN Atlanta Child Murders March 18, 2013 00:27:00
Them alike, many suggested by psychics. at the state crime lab, larry peterson was sifting through thousands of fibers, nylon, rayon, acrylic, acetate. is it like looking for a needle in a haystack? >> like looking for multiple needles in multiple haystacks. >> then in january of 1981, a breakthrough. peterson realized they were seeing one green carpet fiber with a unique shape. this is a cross-section of the fiber magnified many times. >> this particular fiber had two very, very large lobes and one short lobe. >> the lobes are the three ends of the boomerang shape. >> the shape was the most d...