Questioned Document Law and Legal Definition

A questioned document refers to any signature, handwriting, typewriting, or other mark whose source or authenticity is in dispute or doubtful. For instance, letters, checks, driver licenses, contracts, wills voter registrations, passports, petitions, threatening letters, suicide notes, lottery tickets; and marks on doors, walls, windows, or boards.

Questioned document examination is usually 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.