Document Analysis

Questioned documents include:

• petitions and lottery tickets.
• rare books.
• letters and checks.
• all of the above

The possibility of recognizing known writing habits in samples produced when a writer is under the influence of drugs or alcohol is ________ the possibility of recognizing known writing habits produced when the writer of a sample is not under the influence of drugs or alcohol.

• less than
• the same as
• greater than

The writing characteristics of a person may be altered by whether

• a significant amount of time has passed between writing of exemplar and the questioned document.
• the posture or stance of the author varies between writings
• paper is ruled or unruled.
• all of the above

The ease with which one can find individual variations in a typewritten document is ________ the ease of finding such defects in documents produced by business and personal computers.

• less than
• more than
  the same
• the same
  greater

In dealing with fax machines, photocopiers and computer printers, which class characteristics might be examined?

• type of paper
• chemical composition of toner
• brand of machine manufacture
• all of the above

Infrared luminescence is used to:

• reveal writing that has been erased.
• detect if two different inks were used in the writing of a document.
• both A and B
• neither A nor B

Document examiners frequently uncover the original writing of words that have been crossed out with the aid of:

• color photography.
• infrared lighting.
• thin-layer chromatography
• side lighting.

When dictating to a person in order to obtain samples of handwriting, one should not:

• allow the suspect to view the questioned document before dictating it.
• use a pen similar to that of the questioned document.
• use similar or the same letter and word grouping as used in the questioned document
• dictate the contents of the text at least three times.

Inks on handwritten documents may be compared for their chemical composition by the technique of:

• infrared spectrophotometry.
• gas chromatography.
• thin-layer chromatography.
• ultraviolet spectrophotometry.

Which of the following statements is false?

• Writings on a charred document may be revealed by reflecting light off the paper’s surface at different angles.
• Every object that contains handwritten or typewritten markings whose source or authenticity is in doubt is a questioned document.
• An individual’s handwriting generally will not change with age.
• An inconclusive finding by a document examiner may be due to an insufficient number of known writings available for comparison.