Scientific Examination of Questioned Documents (2nd ed.)

First published in 1956 and revised as technology improved, this is the bible of the forensic document examination industry. This edition includes information on infrared equipment, the use of computer hardware and software in document examination, and current document production technology. The text covers computer printer technologies, techniques for the detection of digitally manipulated documents and photocopies, along with innovative chart-making techniques. Updated chapters include expande