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1200 BCE
Prehistoric
They used pressing hands of fingers on clay or rocks to investigate fingerprints in prehistoric times. -
1248
1100s-1200s
In the year 1248 AD the first medical documentation was recorded proving strangulation by drowning. -
1300s-mid 1800s
During this time, fingerprints and chemicals like poisons were able to be detected at crime scenes. -
Late 1800s-early 1900s
Body temperature began to be used to detect the time of death. The portable polygraph machine was invented in 1921. -
Modern Day
Forensic technologies are used in modern investigations. DNA forensics and enhanced bio studies are forms commonly used today.