CSI Developments By facebooker_100008496855628 Mar 13, 1000 Thumb Printing Mar 13, 1001 Lie Detector Mar 14, 1248 HSI Duan Yu Mar 14, 1769 De Sedibus Et Causis Mar 14, 1773 Start of Toxicology Mar 14, 1800 DNA Discovery Mar 14, 1800 Time of Death Mar 14, 1813 Traite des Poisons Mar 14, 1883 Ballistics Test Mar 14, 1901 Different Blood Groups Mar 14, 1921 Portable Polygraph Machine Mar 14, 1960 FBI Mar 14, 1986 DNA Profiling