David S. Moore offers a full range of services as a certified forensic document examiner. With today's changing technologies, experience, proven skills and state-of-the-art equipment is more crucial than ever in determining the authenticity of a document or a signature - or to resolve other difficult document problems.

  • Forged Signatures on Wills, Deeds, and other Important Documents
  • Handwriting and Handprinting Identification
  • Alterations and Obliterations in Medical and Other Business Records
  • Typewriting Comparison and Typewriter Identification
  • Business Machine Identifications and their Products
  • Paper Products Comparison and Ink Analysis
  • Age/Date Determination
  • Office Machine Copies
  • Printed Matter and Printing Techniques
  • Document Photography and Special Photographic Techniques
  • Courtroom Testimony and Visual Aids
  • Presentation of formal or informal classes to interested groups.


  • A stereoscopic binocular microscope and hand magnifiers to view documents under proper magnification.
  • An Electrostatic Detection Apparatus (ESDA) to detect and visualize indentations on paper.
  • A Video Spectral Comparator (VSC) to detect differences in inks with ultraviolet and infrared irradiation.
  • Test grids to detect alterations to typewritten documents.
  • A variety of cameras with special filters and films.