VSC® / ESDA® / Foram®
Questioned Document Examination
Since the introduction of the ESDA in 1978 foster+freeman have been recognized as world leaders in the field of questioned document examination. foster+freeman systems can be found in airports, border crossings, immigration controls, banks and forensic laboratories worldwide.
The first in a new generation of hybrid VSC document examination systems, the VSC 900 provides examiners with a comprehensive suite of traditional and advanced tools for the interrogation and verification of passports, ID cards, visas, residence permits, and other questioned documents.
Our most advanced QDE workstation to date, the VSC8000/HS combines digital imaging and multi-wavelength illumination technology.
The VSC80/FS is a compact forensic QDE workstation: a complete solution to the forensic examination of questioned documents.
The VSC-PDi+ captures ultra-high-resolution images of documents under many light sources, storing them their with biometric data.
Intelligent touch screen workstation for forensic-level examination of travel and identity documents.
ESDA® works by creating an electrostatic image of indented writing, which is then visualized by the application of charge-sensitive toners. The sensitive imaging process reacts to sites of microscopic damage to fibres at the surface of a document, which have been created by abrasive interaction with overlying surfaces during the act of handwriting