CSI Sciences

By Brennan M

  • Time of Death

    Scientists began using body temperature to determine a person's time of death. This practics began in the late 1800s.

  • DNA Discovery

    James Watson discovers DNA in the late 1800s after years of observation.

  • Ballistics Test

    Scotland police began comparing bullets to determine if a suspect's gun was the murder weapon or not. This became the first four of Ballistics testing.

  • Fingerprinting System Developed

    Sir Francis Galton published works about the importance of fingerprints, created a small system of fingerprint classification, identified fingerprint patterns, and determined the odds of people having the same fingerprints are slim. Proving this theory made fingerprints important to forensic science.

  • Different Blood Groups

    An Austrian doctor, Karl Landsteiner discovers different blood groups, making blood transfusions safe.

  • FBI

    The FBI began using the technique of psychological profiling.

  • Different DNA Strands Discovered

    After many years of close observation, German biochemist Fredrich Miescher discovers that there are different strands of DNA.

  • DNA Testing

    Alec Jeffreys invents the very first DNA test.