Crime Scene Investigation

  • 700 BCE

    Finger prints

    The Chinese take peoples thumb prints on clay sculptures.
  • 250 BCE

    Greek Lie detector

    The Greek physician Erastratus creates a lie detector test by looking at his patients pulses.
  • 1100

    Roman Crime

    A roman attorney proves that bloody hand prints were left to frame a blind man for the murder of his mother.
  • 1400

    Advances in investigation

    People started to focus more on fingerprint detail and chemical poisons.
  • Forensic science expands

    Tech like using body temperature to tell when someone had died and fingerprint analysis were starting to be used frequently. Along with the portable polygraph appearing.
  • Always advancing

    Through the 19 hundreds forensics expanded exponentially and still is.