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physical evidence used in cases
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investigating poisons
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more physical evidence discovered to use
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chemical testing utilized
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first use of photos
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fingerprints found to be unique
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Sherlock Holmes and the coroner
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criminal features reduced to numerical measurements
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fingerprint id used in crimes
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fingerprint id more common
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first fingerprint prisoner id used
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learning about forensics
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hair used in forensics
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guns are unique
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crime labs built
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lie detection invented
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crime experts build lab
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voice recording used as evidence
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first national crime system
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advances in residue detection
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1975 advances in manual finger prints
improvement of accuracy
improving speed and efficiency -
1979 auto finger print system used
electronic device used to scan fingerprints, much more accurate and efficient -
1984 DNA techniques used for ID
DNA samples including blood,saliva,hair,skin, and fingerprints are all examples of DNA that is used to help identify a suspect -
1987 DNA used to catch a criminal
in 1987 DNA was first applied to help catch a suspect in a crime -
1999 faster finger print IDs
advances in the use of fingerprinting where made making fingerprint identification much more accurate and consistent -
2001 faster DNA ID
in 2001 advances where made to the way geneticist use DNA to help more accurately identify suspects -
2007 footwear detection system
in 2007 researchers began to use footwear to help identify possible suspects -
2008 detection after cleaning
a way for scientist to visualize finger prints and other kinds of DNA even after the DNA has been removed or "cleaned" -
2011 4 sec dental match
in 2011 scientist began to apply the use of teeth to help match victims and suspects -
2011 facial sketches matched to photos
in 2011 detectives used facial sketches to help victims describe possible suspects and give detectives a visual of what the possible suspect looked like