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Heidi H. Harralson is
the founder of Spectrum Consultants. Her 13 years of experience include personnel
selection, document examination and graphology instruction. She has specialized in the
research of historical writing and criminal profiling and has worked with local police in
examining questioned documents. She is a certified graphologist through the American
Handwriting Analysis Foundation and a board certified Diplomate of the American Board of
Forensic Examiners. She is also affiliated with the American Association of
Handwriting Analysts and the National Association of Document Examiners.
John T. Martinez
has over 29 years of experience as a police officer and special investigator for the
corrections system. He brings to the field of graphology considerable experience in
working with criminal and deviant behavior. He specializes in the decipherment of codes
and gang handwriting and has worked as a questioned document examiner for the State
Department of Corrections and for Spectrum Consultants in Tucson, Arizona.
Darlene M. Randolph is a certified
graphologist through the American Handwriting Analysis Foundation. Spending most of her
professional career in the legal field, she now uses graphology to help attorneys with
personnel selection in law firms. She teaches handwriting analysis classes and has
presented original research topics on handwriting at national conferences. In addition to
serving on various chairs within the American Handwriting Analysis Foundation, she is also
a member of the American Association of Handwriting Analysts.
Tricia M. Clapp is a certified graphologist, handwriting expert and computer
specialist. She has considerable experience in the analysis and comparison of handwritten
documents and provides support services and assistance in document examination. A
researcher of handwriting and questioned documents, she has an extensive library on
document examination and the handwriting sciences. She specializes in computer software
and hardware and is familiar with computer graphics and imaging, scanners, printers,
magnification devices, photographic and technical equipment.
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