Scientific Papers

The Dating of Writing Inks Through 2-Phenoxyethanol Using Gas Chromatography-Mass Spectrometry, Advantages, Interpretation, and Limitations (Click for pdf version)
By Patricia J Giebink, Erich J Speckin and Jason Harner

Impression By Traced Forgery (Click for pdf version)
By Robert D. Kullman, Michael Sinke and Erich Speckin

Obverse-Reverse Intersection of Lines (Click for pdf version)
By Erich J. Speckin

The Removal of Magic Marker on Photocopied Documents (Click for pdf version)
By Erich J. Speckin

The Detection of Mastic on Plastic (Click for pdf version)
By Erich J. Speckin

How do forensic chemists detect ‘record tampering’ (Click for pdf version)
By Erich J. Speckin

More forensic solutions to help attorneys in litigation (Click for pdf version)
By Erich J. Speckin

Crime and Punishment (Click for pdf version)
By Erich J. Speckin

Journal of the National Association of Document Examiners, Inc. (Click for pdf version)
By Erich J. Speckin

An Independent Assessment of Ink Age
Determination by a Private Examiner  (Click for pdf version)
By Erich J. Speckin

Technical Report With Case Studies on the Accelerated Aging of Ball-point Inks (Click for pdf version)
By Erich J. Speckin and Richard L. Brunelle

How a Forensic Laboratory Can Help Your Case (Click for pdf version)
By Roger Bolhouse

Can We Agree on Terminology Beyond Handwriting? (Click for pdf version)
By Anthony A. Milone and Erich J. Speckin