Questioned Document Examination [QDE] Law and Legal Definition

Questioned document examination (QDE) refers to the task of document examination to compare a questioned document, using the scientific method, to a series of known standards. The QDE is the forensic science field of study relating to documents that are in dispute in a court of law. The elementary purpose of questioned document examination is to answer questions on a disputed document by variety of scientific processes and methods.

Questioned document examination frequently is found in cases of forgery, counterfeiting, mail fraud, kidnapping, con games, embezzlement, gambling, organized crime, white collar crime, art crime, theft, robbery, arson, burglary, homicide, serial murder, psychological profiling, and deviant sex crime.