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Forensic Document Examiners, Inc. consists of a staff dedicated to providing professional services in a timely manner in the field of questioned documents.
    Katherine Mainolfi Koppenhaver
  • Board Certified Document Examiner K. Koppenhaver
  • Founder of the Scientific Association of Forensic Examiners.
  • Founder of the International Association of Document Examiners.
  • Published author.
  • Celebrating 32 years experience in document examination.
  • Handled over 3100 cases.
  • Testified in court and deposition over 490 times.
  • Attorney's Guide to Document Examination.
  • Forensic Document Examination, Principles and Practice
    a college textbook.
  • Please note that my books are not available for download at no cost.
    Anyone who offers them for free does not have my permission to do so.
Phone: 410-679-8257
Contact our office for a copy of Mrs. Koppenhaver's CV.
R. McLeod Reginald McLeod
Forensic Document Examiner

Forensic Document Examiners, Inc. routinely works with attorneys, district attorneys, public defenders, police departments, investigators, banks, insurance companies, and other private entities, providing a wide range of document related services. Our full-time qualified staff can provide services related to:
  • Forgery detection,
  • Altered documents,
  • Counterfeit documents,
  • Line sequence and indented writing.
  • Identification of inserted and substituted material.
  • "Reading" under whiteout or other obliterated material.

In addition we provide the following services:
  • Research Services - Consulting Services - Expert Testimony - Exhibit Preparation - Micro-Photography
  • Our staff has the ability to handle large cases in a timely manner.
      Katherine Koppenhaver:
    • consults on many cases for her peers on a regular basis,
    • has been appointed to assist judges in making decisions in cases involving questioned documents,
    • has served as a single joint expert on cases,
    • has helped to train numerous other document examiners,
    • and she participates in proficiency testing demonstrating her ability to analyze handwriting with a high degree of accuracy.
    On September 26, 2013, Ms. Koppenhaver was presented with a Lifetime Achievement Award from her fellow document examiners. It reads: In recognition and appreciation for more than three decades dedicated to the profession of Forensic Document Examination through research, teaching, training and publication.
    Lifetime Award
    Office Hours are 9 AM to 6 PM EDT Monday through Friday
    Read an excerpt from Attorney's Guide on Collecting Exemplars
    Get instructions on How to Take Request Writing.
    For tips on finding a qualified document examiner click on
    Selecting A Document Examiner
    Try your hand at solving a questioned document case. Case Study

    Consult with me on Maven
    Forensic Document Examiners, Inc.
    P.O. Box 324, Joppa, MD. 21085
    Maryland (410) 679-8257
    Virginia (703) 671-7347
    Fax (410) 538-8548
  • We accept all major credit cards.

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    FDE: Full Service, Dependable, and Experienced

    Last update October 13, 2015
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