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Dec 7, 750
The first lie detector
The first lie detector was made. This improved the investigation a ton because they would be able to bring suspects in and know if they are lying or not. -
First microscope
First microscope was discovered -
Bullet analysis
First time bullet analysis was used in a crime scene. which helped determine where a shooter was and gave possible suspects -
Time of death
Time of death was now discovered by analyzing body temperature. -
Using the finger print
Finger prints were analyzed and helped find suspects. which revolutionized crime scene investigation because it is the number 1 thing that investigators look for. -
Crime laboratory for FBI is made
FBI crime lab is introduced to further improve investigations -
First breathalyzer
Breathalyzers were introduced to see if someone had consumed alcohol. This was a major development because they then could determine how the situation may have developed -
Period: to
DNA usage
DNA was first recognized in 1980 and improved from there. It is used in every crime scene
