Britannica AI Icon

Learn about this topic in these articles:

  • Know about the fundamental limitation of chemical tests and the advantage of scanning electron microscope in detecting the source of gun residues
    crime laboratory
    Sections of crime laboratories

    In the questioned-documents unit, examiners study handwriting and typewriting to determine author or authenticity. They may also analyze inks and papers as well as copier toners and other forms of writing. They may be called upon to determine the absolute or relative age of a document and…

    In the questioned-documents unit, examiners study handwriting and typewriting to determine author or authenticity. They may also analyze inks and papers as well as copier toners and other forms of writing. They may be called upon to determine the absolute or relative age of a document and…