Handwriting, Typewriting, Shoeprints, and Tire Treads: FBI Laboratory's Questioned Documents Unit
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.
Held, Dorothy-Anne E.
Federal Bureau of Investigation (FBI)