20th century forensic upgrades

By adanlaurel

  • 1921

    While still a medical student at the University of California, John Larson invents the modern lie detector, also known as the polygraph.

  • 1923

    The first dedicated crime laboratory in a police department is implemented in Los Angeles.

  • 1948

    Founding of the American Academy of Forensic Sciences (AAFS).

  • 1996

    The National Academy of Sciences declare that there is no reason to doubt the conclusions of DNA evidence.