Ist2 2991517 csi elements1

Development of CSI sciences

  • 300

    First Forensics

    First Forensics
    Fingerprints are used on clay tablets used as signatures.
  • 750

    1st Lie Detector

    1st Lie Detector
    Erasistratus (Ancient Greek physician) proposed that people's heart rate increases when telling lies.
  • 1235

    Figuring Out Murder Weapons

    Figuring Out Murder Weapons
    In ancient times, people murdered using sickles. A sickle is a knife like sharp curved metal that many villagers had. So to figure out what the murder weapon was, they asked everyone to bring their sickles into town and lay them out in the sun. The flies would then circle around the one with the smell of blood.
  • 1st Microscope is Made

    1st Microscope is Made
    Father and son Hans and Zacharias Janssen are believed to create first microscope.
  • 1st Physical Matching

    1st Physical Matching
    John Toms is convicted of murder because torn piece of paper is found in his pocket which matches pistol.
  • Forensics Firearm Examination

    Forensics Firearm Examination
    Henry Goddard compared bullets based on flaws in the bullet to catch murderer.
  • Documenting Evidence

    Documenting Evidence
    Detectives started photographing criminals to be identified and crime scenes.
  • Using Fingerprints to Find Suspect

    Using Fingerprints to Find Suspect
    Henry Faulds wrote a paper saying that fingerprints could be used to find the suspect at the crime scene.
  • 1st Portable Polygraph

    1st Portable Polygraph
    Leonard Keeler and John Larson designed the 1st portable polygraph
  • Firearm Discharge Test

    Firearm Discharge Test
    Antinomy and lead is left on the hands of people who fired a firearm.
  • DNA Use To Catch Criminals

    DNA Use To Catch Criminals