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750 BCE
First lie detector
Scientists created the first lie detector -
Period: 700 BCE to
CSI Science
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600 BCE
Volume of Objects
In 600 they began to measure strange objects by their volume. -
Jan 1, 700
Discovering the Fingerprint
In 700 the Chinese started to use fingerprints to mark their sculptures and important documents to people. -
The first Microscope
The first microscope made it possible to do many things in the CSI sciences. -
Bullet Comparison
In 1935 they started comparing bullets to the ones used in crime scenes to find out the type of weapon used in the crime -
Use of Sperm
In 1839 they fount a way to find sperm in victims of a crime. -
Time of Death
In 1863 they found a way to find time of death using the body temperature of the victim. -
Photos
In 1864 they began taking pictures of the crime scene so they can go back and reference to the scene. -
Fingerprints
In 1903 they began understanding fingerprints and how to match them to their suspects. -
Crime Lab
In 1932 The FBI created a crime lab for investigation crime scenes -
Discovery of DNA
In 1980 they discovered the possibility of DNA being able to connect a suspect to a crime scene -
FBI and DNA
In 1998 they began using DNA in FBI investigations.
