History of crime scene investigation

By makennajspence
  • 700 BCE

    first use of fingerprints

  • 250 BCE

    first lie detector test

  • 1248

    first documentation of medical knowledge

  • time of death was established

  • DNA discovery

  • Ballistics test

  • fingerprinting system

  • Different blood groups

  • portable polygraph machine

  • tests to detect gun residue

  • Different DNA strands were discovered