About Forensic Document Investigations Forgery is the process of making, adapting, or imitating objects, statistics, or documents with the intent to deceive impose a legal liability with the intent to prejudice, damage, or defraud. Document examiners/Handwriting Experts do not offer an opinion of forgery because forgery includes the intent to defraud. Only the trier-of-fact can make a determination regarding intent. The document examiner/handwriting expert will determine the authenticity of the document and will testify in court to support their opinion.