Crime Scene Evolution

By TKnutter
  • 1800's

    1800's

    The first recorded questioned document.
    The test of presence of blood.
    A bullet comparison to catch murderers.
  • 1850's

    1850's

    The first use of a toxicology in a jury trial.
    The first recorded use of fingerprints.
  • 1900's

    1900's

    The invention of and inference contrast microscope.
    The study of voice print identification.
  • 1950's

    1950's

    The first use of a breathalyzer for a sobriety test.
    The first use of a heated head space sampling to collect arson evidence.
  • 2000's

    2000's

    Many of these things have been updated to our new life style of technology and the use of computers.