CNN Forensic Files February 26, 2014 09:49:00
>> i was able to determine that they were both similar knit, jersey stitch knit pattern. >> next, using high magnification, schubert found another striking similarity. both pieces contained some unique chemical properties. >> the titanium dioxide is the small little dots. those are just particles they put in, synthetic fibers to keep them from being too shiny. and in this particular case, the moderate amount of the titanium dioxide particles in both samples. >> to see if the colors were the same, schubert turned to microspectral photometry. >> the spectra is very unique. it had several peaks, ...
Source: archive.org