Document Examination

Question 1

Collective Documents

Answer 1

Docs that were written or signed by a person during normal day to day activities

Question 2

Eraser

Answer 2

The removal of script from a document by chemical or abrasive means

Question 3

requested

Answer 3

writings that include handwriting, signatures or printing produced solely for the purpose of conducting a handwriting comparison

Question 4

obliteration

Answer 4

blotting or smearing over to make script unreadable

Question 5

an authentic sample used for comparison

Answer 5

exemplar

Question 6

voice print

Answer 6

a pictorial representation of human voice sounds

Question 7

indented

Answer 7

writing that is imprinted on underlying pages when the top sheet of paper is written on

Question 8

chromatography

Answer 8

technique where mixtures are separated into their components by their attraction to a stationary phase while being propelled by a moving phase

Question 9

R(f)

Answer 9

the distance travelled by the component decided by the distance travelled by the moving liquid

Question 10

any document where the authenticity is in question

Answer 10

questioned document

Question 11

alteration

Answer 11

modification made to a documents text

Question 12

inferred

Answer 12

region of light spectrum that is often used to detect erasures or alterations on documents

Question 13

things that can cause variations in handwriting (psychological, physical, mechanical)

Answer 13

mood (ps); switching hands (ph); type of paper, unlined/ lined (m)

Question 14

typewriters take _ copy/s

Answer 14

1 copy

Question 15

printers and copiers take _ copy/s

Answer 15

multiple copies

Question 16

how to indentify fax

Answer 16

TTI at top of the page

Question 17

12 quality basic handwriting characteristics

Answer 17

1- line quality
2- spacing of words and letters
3- ratio of height and width and size of letters
4- penlifters
5- connecting strokes
6- strokes beginning to end
7- unusual letter formation
8- pen pressure
9- slant
10- fancy writing habits
11- baseline habits (does it go above or below line)
12- placement of diacritics 9 (i's and t's)

Question 18

microspectrophotomer can determine

Answer 18

the chemical composition of ink on a questioned document

Question 19

chromatography

Answer 19

used to separate and identify the components of a mixture

Question 20

paper chromatography

Answer 20

ink (stationary phase) applied with a solvent (moving phase) to the edge of the paper

Question 21

other types of chromatography

Answer 21

high-performance liquid, thin-layer, gas chromatography, paper

Question 22

charred doc

Answer 22

when documents become dark/ to brittle after exposed to heat, IR photography helps reveal content

Question 23

voice examinations (spectrograph)

Answer 23

the sound spectrograph converts speech into a visual graph or voiceprint (voices are individualized) [frequency and intensity]