CNN Forensic Files September 6, 2015 07:48:00
Found white fibers, and there was a tiny spot of blood in the shower stall. andrew nardelli compared those fibers to fibers from rachel's sweater. >> one of the main types of characteristics that we would look for first off would be color, and a number of the fibers from the window were a different color than the types of fibers that were from the sweater. >> though superficially similar, the fibers did not match. investigators now compared the blood sample from the shower stall to rachel's dna and got another setback. >> with the swab from the shower stall, there was no dna detected. i ran th...