CNN Forensic Files February 28, 2014 09:51:00
You get fibers all over the place. >> under a microscope, palonic discovered the sweatshirt was made up entirely of acrylic fibers. palon i palonic could find no acrylic fibers on holmes' shirt, but he did on william buck's shirt. but were these fibers from the sweatshirt? most clothing isn't dyed with just one color. usually, it takes a combination of colored dyes to get just the right shade. to identify the chemical makeup of the blue fibers, palonik placed them on a plate of silica gel and dipped them into a solvent. >> the solvent mixture travels up the plate and it starts to separate the ...