Document Examination Forensic experts and expert witnesses - Document examiners are experts who authenticate the source of handwritten and typewritten documents. Areas of expertise include wills, real estate records, altered medical and dental records, and anonymous writings. (See also Handwriting Analysis) Document Examination Forensic experts serve as Document Examination Forensic expert witnesses and Document Examination Forensic forensic consultants in Document Examination Forensic legal matters, and provide Document Examination Forensic expert reports and testimony for judges, attorneys, lawyers, law firms, insurance companies and government agencies in Federal and state court trials and arbitrations.