On his website, document examination expert witness Richard T. Picciochi answers the following question:
How can attorneys make sure a handwriting examiner is really a scientist?
Scientific training is the most suitable basic qualification. When selecting a handwriting or document examiner consider if he or she has a science degree or foundation in one of the physical, natural, or forensic sciences from an accredited university. Specialized training, comprehensive apprenticeship, continuing education, professional affiliations, certification and peer group testing are equally important as well as research, publications and teaching in the field.