Questioned document examination (QDE) is a forensic science discipline pertaining to documents that are potentially disputed in a court of law. It can simply be defined as any document that may be disputed or queried, especially as to its source and/or authenticity, is a questioned document.
The examination’s primary purpose is to provide evidence about suspicious or questioned documents using a variety of scientific principles and methods. Document examination might include alterations, obliterations, paper analysis, forgery, origin, determining authenticity, or any other questions.
Handwriting examination, which is one of the most in-demand fields of QDE typically, involves the comparison of known specimens to handwriting evidence found on questioned or disputed documents. We have document examiners who can provide advice on the relevance of handwriting examination to your case and they have the expertise to assist you in your case.
The QDE services we offer are:
Photocopied documents are examined by comparing class characteristics followed by careful evaluation of identifying features. The classification of the photocopied document is based on physical characteristics such as paper type, toner type, toner application, and fusion methods, followed by an examination of the trash/defect marks, which develop over a period of time due to use and abuse of the copier and serve as the basis for identification.