Deck 11: Questioned Documents and Impression Evidence

Question 1

An ink taken from a U.S. Treasury collection for use on a case would be considered a ____ sample.

A) reference
B) standard
C) exemplar
D) evidence
E) negative control

Answer 1

A

Question 2

Which of the following methods can not be used to discern abrasions, alterations and erasures of questioned documents?

A) visual inspection
B) alternate light source
C) TLC
D) microscopy

Answer 2

C

Question 3

Which of the following databases should be searched to compare shoeprint images?

A) IBIS
B) NIBIN
C) IAFIS
D) SICAR

Answer 3

D

Question 4

Writing on a notepad underneath of an important document can be visualized by ____.

A) drying
B) erasure
C) obliteration
D) electrostatic lifting

Question 5

The migration of an unknown compound in ink can be identified using TLC if a ___ is run on the same plate.

A) second unknown
B) standard
C) evidence sample
D) any of the above will work

Question 6

Infrared luminescence and infrared photography can be used to visualize writings that are ____.

A) erased
B) overwritten
C) altered
D) charred
E) all of the above

Question 7

Which of the following methods can be used to differentiate red ballpoint pen inks?

A) IR spectroscopy
B) HPLC-UV
C) TLC
D) all of the above

Question 8

Which of the following is a handwriting exemplar/reference sample?

A) a suicide note
B) suspect's writings with word combinations as dictated from an investigator
C) U.S. Treasury library of commercial inks
D) a suspected forgery of a will

Question 9

List four factors that result in differences in handwriting between individuals.

Question 10

List two physical analysis methods for paper.

Question 11

List four types of impression evidence.

Question 12

List five questioned documents that may be submitted into evidence to the crime lab. For exam state one feature that you would use to analyze it and one method you would use.

Question 13

Explain how ATR FT-IR spectroscopy can be used to differentiate inks.

Question 14

Explain how ALS can be used to differentiate inks.

Question 15

Explain how to process impression evidence.