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750
First Lie Detector
Erasistratus discovers that people's hearts beat faster when they are lying. -
First Microscope
The first microscope is developed. -
First Use of Bullet Comparison
Henry Goddard catches a murderer using bullet comparison. -
First Use of Body Temperature to Determine Time of Death
Taylor and Wilkes write a paper that explained how one could determine one's death based on body temperature. -
First Use of Photographic Evidence
First use of identifying criminals & documenting evidence + crime scenes. -
First Use of Fingerprints
Henry Faulds publishes an article saying fingerprints could be used to identify a criminal. -
Discovery of Different Blood Groups
Karl Landsteiner discovers different blood groups. -
FBI Crime Lab is Created
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DNA Testing
Fredrich Miescher's breakthrough involves the discovery of different DNA strands, with Alec Jeffreys soon after making the first DNA test.