Quizes fingerprints

Fingerprints were used as identification in Japan to "sign" documents in what year? 

702 A.D.

Three ways to record known prints are

Black Ink, black powders, and livescans (electronically)

epidermis

outer layer of the skin

dermis

inner layer of the skin

basal layer

generating layer of the skin

dermal papillae

contains nerve endings

True or False:  During gestation, the fingers appear elongated and separated at eight to ten weeks. 

True

True or False: Skin is considered the largest organ of the human body. 

true

The premise of friction ridge detail is that it is

permanent and unique

Who is the first person credited for recording measurements of the body for identification purposes?

Alphonse Bertillion

The three (3) basic fingerprint pattern types are

loop, whorl, arch

True or False: A livescan record of fingerprints can also be referred to as known prints or exemplars. 

true

The bristles of a standard fingerprint brush are made from

nylon

Prior to processing an item of evidence for friction ridge detail, the very first thing a forensic specialist should do is

Visually examine the item

Four (4) types of chemical processing techniques are

Ninhydrin, solution stains, Small particle reagent, and Wetwop

Small particle reagent adheres to the _____ and ______ in fingerprinst

fat & oils

Patent print

visible print in some type of medium

Latent print

hidden or underdeveloped print

Plastic print

three dimensional print left on a soft surface

The technical term for superglue fuming is

cyanoacrylate fuming

There are four basic factors that impact the deposition of prints. Two factors are environmental conditions and a suitable surface. What are the other two factors

sufficient residue and manner of contact/touch

Latent prints are___________

chance impressions

True or False: Latent prints are predictable impressions

False

Latent print residue is approximately _% moisture.

98

What are two types of dye stains used after cyanoacrylate fuming

RAM & Rhodamine 6

Ninhydrin (chemical process to the appropriate component in latent print residue)

amino acids

Cyanoacrylate ester (chemical process to the appropriate component in latent print residue)

moisture and oils

Physical Developer (chemical process to the appropriate component in latent print residue)

sebaceous secretions (sweat)

Amido Black (chemical process to the appropriate component in latent print residue)

protien

CAE and solution stain (chemical process to the type of surface)

glass, platics, metals

Physical developer (chemical process to the type of surface)

paper, cardboard and wallboard

Wetwop (chemical process to the type of surface)

adhesive tapes

True or False: It is okay to wear open-toed shoes in a laboratory.

false

What does the acronym MSDS stand for?  

Material Safety Data Sheets

types of minutiae:

dot, ending ridge, enclosure, bifurcation

True or False: Identical twins have the same fingerprints but fraternal twins do not

false

true or false : No two individuals have the same prints regardless if they are twins are not

true

Name the three (3) level of details

ridge flow, ridge events and ridge path

true or False: minutiae is also referred to as ridge characteristics and points

true

What factors can impact the appearance of ridges? 

Texture of surface, pressure, and movement (all of above)

pattern type (level of detail)

1st level

minutiae (level of detail)

2nd level

pore location (level of detail)

3rd level (level of detail)

scar (level of detail)

3rd level

crease (level of detail)

3rd level

True or False: A radial loop flows to the little finger

false

Who was accused of the Madrid train bombing? 

Brandon Mayfield

The acronym ACE-V stands for 

analysis, comparison, evaluation, and verification

Explain, in your own words, what the Automated Fingerprint Identification System (AFIS) is.

The automated fingerprint identification system (AFIS)  is the national system that is used by the FBI to track all the fingerprints. The point of  AFIS is to have the computer database track all the fingerprints to look for known and unknown fingerpints. AFIS can be local and state. The FBI's fingerprint database was formerly known as IAFIS but is also referred to a NGI. 

True or False: When searching a latent print, the examiner can search DMV records. 

false

The acronym NV stands for

No value

What organizations set standards and govern current practices in the forensic community?

IAI and OSAC

true or False: When a fingerprint is excluded to a person, the examiner writes a report and no further action is necessary

false

true or false: Fingerprint conclusions such as identification and exclusions must be verified by another examiner and a report must be written.

True