Who is Peter Tytell, and what are his qualifications?

Tytell is a forensic document examiner based in New York City, who is known in particular for his familiarity with typewriters. He has been a document examiner for over 30 years and comes from a family of typewriter experts that owned a typewriter repair shop in New York and a related document investigation service for many years. Tytell has been involved in over 100 court proceedings as an expert consultant, both within the United States and abroad, and has testified as an expert witness in many of those proceedings on behalf of law enforcement agencies and private clients .

Tytell is a diplomate of the American Board of Forensic Document Examiners, a member of the American Society of QuestionedDocument Examiners, a member ofthe Questioned Document section of the American Academy of Forensic Sciences, and the current Vice-Chairman of the Questioned Documents Subcommittee ofthe American Academy ofTesting and Materials' Committee on Forensic Sciences. He studied the examination of documents under his parents, Pearl and Martin Tytell, both ofwhom had been licensed by the University of the State of New York to teach Questioned Document Examination and Identification.

Tytell has taken courses in document analysis and related subjects at Georgetown University's Institute of Advanced Analytical Chemistry and Georgetown University's Institute for Criminal Law and Procedure ; Rensselaer Polytechnic Institute; the Institute of Paper Chemistry ; Rochester Institute of Technology; and John Jay College of Criminal Justice. In addition, he has participated in over 40 specialized workshops, seminars and courses relating to document examination techniques and has himself presented over 50 papers and lectures on typewriter identification and other document examination subjects at the numerous professional meetings that he attends on a regular basis .