Skilled questioned document examiners train for at least two years under a mentor. Most hold a bachelor's degree. The American Board of Forensic Document Examiners, formed in 1977, offers top-level certification. Candidates pass a written test, practical casework, and an oral exam. They renew their status about every five years. A professional society founded in 1942 also supports the field. It promotes research, ethics, and shared standards.
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