Scientific Papers Written by Members of our Staff


Impression By Traced Forgery
By Robert D. Kullman, Michael Sinke and Erich Speckin

Obverse-Reverse Intersection of Lines
By Erich J. Speckin

The Removal of Magic Marker on Photocopied Documents
By Erich J. Speckin

The Detection of Mastic on Plastic
By Erich J. Speckin

How do forensic chemist detect 'record tampering'
By Erich J. Speckin

More forensic solutions to help attorney in litigation
By Erich J. Speckin

Crime and Punishment
By Erich J. Speckin

Journal of the National Association of Document Examiners, Inc.
By Erich J. Speckin

An Independent Assessment of Ink Age
Determination by a Private Examiner

By Erich J. Speckin

Technical Report With Case Studies on the Accelerated Aging of Ball-point Inks
By Erich J. Speckin and Richard L. Brunelle

How a Forensic Laboratory Can Help Your Case
By Roger Bolhouse

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