Scientific Examination of Questioned Documents

First published in 1956, and revised as technology improved, this is the bible of the Forensic Document Examiner's industry. This updated edition includes information on spectral exam equipment, the use of computer hardware and software in document examination, and new document production technology. New chapters cover computer printer technologies, techniques for the creation and detection of digitally manipulated documents, photocopies, and new technologies for visual examination. Updated chapters include expanded discussion of ESDA and other devices, fracture match examination, disguised writing, ASTM standards for reporting conclusions, reassembling charred documents, and more.