print email comment close Handwriting, Typewriting, Shoeprints, and Tire Treads: FBI Laboratory's Questioned Documents Unit URL: http://www.fbi.gov/hq/lab/fsc/backissu/april2001/held.htm Description: This 2001 article describes how personnel in the Questioned Documents Unit (QDU) of the FBI perform examinations of material. Includes illustrated discussions of physical examinations (often of paper surfaces), comparison examinations (of handwriting and typewriting), and shoeprint and tire tread examinations. Includes details about specific cases. From the Federal Bureau of Investigation (FBI) journal Forensic Science Communications. Author: Held, Dorothy-Anne E. Publisher: Federal Bureau of Investigation (FBI) LII Database Information: Record 23334 created by Maria Brandt on 02/12/2007 Last modification on 02/12/2007 Published: 02/15/2007   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/23334