History of crime scene investigation By makennajspence 700 BCE first use of fingerprints 250 BCE first lie detector test 1248 first documentation of medical knowledge 1800 time of death was established 1880 DNA discovery 1883 Ballistics test 1888 fingerprinting system 1901 Different blood groups 1921 portable polygraph machine 1933 tests to detect gun residue 1983 Different DNA strands were discovered