CSI Major Developements

By seanrobi
  • Period: 100 to

    CSI

  • 250

    250 B.C.

    A Greek physician named Erasistratus developed the first lie detector test
  • Mar 1, 700

    700 B.C.

    The Chinese began using thumb prints on documents and clay sculptures
  • Mar 1, 1100

    1100

    A Roman attorney was able to prove that bloody palm prints were left on purpose to frame a man for murder
  • Mar 1, 1248

    1248

    The first book about using medical knowledge to solve crimes was written. It told how to determine if a person was a victim of drowning or if they had been strangled.

  • 1773

    A Swedish chemist figured out how to identify arsenic in corpses

  • Mid 1800

    Scotland Yard police began comparing bullets. These were the first ballistics tests

  • Late 1800

    Scientists began using body temperature to determine time of death

  • 1921

    The first portable polygraph machine was created

  • 1960

    The FBI began using psychological profiling

  • 1980

    DNA typing was developed