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Crime Lab: Questioned Document Section

 

The Questioned Document Examiner is responsible for conducting analysis on any document when there is a question about its origin or authenticity.

The QD Section typically conducts examinations of handwriting, handprinting, typewriting, inks and counterfeit items. Documents are also examined for evidence of indented writing, alterations and obliterations.


Specialized spectrographic instrumentation and computer enhancement is often used to examine the evidence documents.  Evidence items typically submitted to the section include forged and/or altered checks, threatening letters and bank robbery notes