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.