The most important criteria for a document examiner is the ability to do the job.
• Katherine Koppenhaver demonstrates her ability to analyze handwriting with a high degree of accuracy by participating in Proficiency Testing through Forensic Expertise Profiling Laboratory (FEPL)
• She has given opinions on over 1800 test samples.
• She is a Board Certified Document Examiner by the Board of Forensic Document Examiners. (BFDE).
• The BFDE is accredited by the Forensic Specialty Accreditation Board (FSAB).
• Katherine Koppenhaver has handled over 2200 questioned document cases involving thousands of documents since 1983.
• She has an international clientele and has testified in several foreign countries.
• She is consulted frequently by other document examiners for assistance with their cases.
• Mrs. Koppenhaver is the author of Attorney's Guide to Document Examination. published by Greenwood Publishers.
• Mrs. Koppenhaver co-authored the Forensic Document Examination Correspondence Course with Judith Housley.
• Mrs. Koppenhaver has written a college textbook entitled Forensic Document Examination, Principles and Practice, published by Humana Press.

Forensic Document Examiners, Inc.
P.O.Box 324, Joppa, MD. 21085
Maryland: (410) 679-8257
Virginia: (703) 671-7347
Toll-free: (800) 942-0305
Fax. (410) 538-8548
E-mail