Forensic Science

What are natural variations? How can they be useful for detecting forgeries?

What are natural variations? How can they be useful for detecting forgeries?

What are natural variations? How can they be useful for detecting forgeries?

arealhero   219   2 Replies

arealhero

Describe two situations in which a document examiner may be prevented from comin

Describe two situations in which a document examiner may be prevented from comin

Describe two situations in which a document examiner may be prevented from coming to a positive conclusion about a questioned document.

arealhero   299   2 Replies

arealhero

The property exhibited by some dyes that emit infrared light when exposed to blu

The property exhibited by some dyes that emit infrared light when exposed to blu

The property exhibited by some dyes that emit infrared light when exposed to blue-green light is known as:
   a. Infrared luminescence.
   b. Thin-layer chromatography.
   c. Microspectrophotometry.
   d. Digitizing.

arealhero   423   2 Replies

arealhero

Overwriting or crossing out writing is known as:

Overwriting or crossing out writing is known as:

Overwriting or crossing out writing is known as:
   a. Erasure.
   b. Alteration.
   c. Obliteration.
   d. Indentation.

arealhero   1027   2 Replies

arealhero

Which is an example of an impact printer?

Which is an example of an impact printer?

Which is an example of an impact printer?
   a. Dot-matrix
   b. Ink-jet
   c. Laser
   d. All of the above

arealhero   266   2 Replies

arealhero

The TTI is a characteristic used to distinguish:

The TTI is a characteristic used to distinguish:

The TTI is a characteristic used to distinguish:
   a. Photocopiers.
   b. Fax machines.
   c. Computer printers.
   d. All of the above

arealhero   1047   2 Replies

arealhero

Which are important characteristics of a printer, photocopier, or fax machine?

Which are important characteristics of a printer, photocopier, or fax machine?

Which are important characteristics of a printer, photocopier, or fax machine?
   a. Printing technology
   b. Type of paper
   c. Type of toner or ink used
   d. All of the above

arealhero   688   2 Replies

arealhero

When comparing sample writing to a suspect document, the age difference between

When comparing sample writing to a suspect document, the age difference between

When comparing sample writing to a suspect document, the age difference between the documents should be no more than:
a. Six to twelve months
b. Twelve to eighteen months
c. Two to three years
d. Five to seven years

arealhero   481   2 Replies

arealhero

What is the process by which the image is stored in memory by scanning and conve

What is the process by which the image is stored in memory by scanning and conve

What is the process by which the image is stored in memory by scanning and converting by computer into an array of digital intensity values called picture elements?
a. Luminescence
b. Adobe Photoshopping
c. Digitizing
d. Pixelizat

arealhero   519   2 Replies

arealhero

Fax machines print a header known as the _____ at the top of each fax page, whic

Fax machines print a header known as the _____ at the top of each fax page, whic

Fax machines print a header known as the _____ at the top of each fax page, which may become a very important point of comparison.
a. ELD
b. HTTP
c. TLC
d. TTI

arealhero   726   2 Replies

arealhero

Defects that are reproduced by a photocopier onto a copied document may originat

Defects that are reproduced by a photocopier onto a copied document may originat

Defects that are reproduced by a photocopier onto a copied document may originate from defects in all of the following photocopier parts EXCEPT:
a. Glass plate
b. Feed tray
c. Inner cover
d. Mechanical portions

arealhero   575   2 Replies

arealhero

In the case of _____, the Supreme Court held handwriting to be nontestimonial ev

In the case of _____, the Supreme Court held handwriting to be nontestimonial ev

In the case of _____, the Supreme Court held handwriting to be nontestimonial evidence not protected by Fifth Amendment privileges.
a. Gilbert v. California
b. Carmichael v. Kumho Tire Co.
c. United States v. Mara
d. United States

arealhero   372   2 Replies

arealhero

_____ writings are partially visible impressions appearing on a sheet of paper u

_____ writings are partially visible impressions appearing on a sheet of paper u

_____ writings are partially visible impressions appearing on a sheet of paper underneath the one on which the visible writing was done.
a. Obliterated
b. Indented
c. Questioned
d. Charred

arealhero   457   2 Replies

arealhero

Some inks, when exposed to blue-green light, absorb _____ radiation and emit lig

Some inks, when exposed to blue-green light, absorb _____ radiation and emit lig

Some inks, when exposed to blue-green light, absorb _____ radiation and emit light.
a. Visible
b. Polarized
c. Ultraviolet
d. Infrared

arealhero   429   2 Replies

arealhero

Which of the following statements is FALSE?

Which of the following statements is FALSE?

Which of the following statements is FALSE?
a. An inconclusive finding by a document examiner may be due to an insufficient number of known writings available for comparison.
b. Any object that contains handwritten or typewritten markings w

arealhero   406   2 Replies

arealhero

Inks on handwritten documents may be compared for their chemical composition by

Inks on handwritten documents may be compared for their chemical composition by

Inks on handwritten documents may be compared for their chemical composition by the technique of:
a. Thin-layer chromatography
b. Infrared spectrophotometry
c. Ultraviolet spectrophotometry
d. None of the above

arealhero   686   2 Replies

arealhero

When dictating to a person in order to obtain samples of handwriting, one should

When dictating to a person in order to obtain samples of handwriting, one should

When dictating to a person in order to obtain samples of handwriting, one should NOT:
a. Use paper similar to that of the questioned document.
b. Use a pen similar to that of the questioned document.
c. Dictate the contents of the text

arealhero   746   2 Replies

arealhero

Document examiners frequently uncover the original writing of words that have be

Document examiners frequently uncover the original writing of words that have be

Document examiners frequently uncover the original writing of words that have been crossed out with the aid of:
a. Color photography.
b. Transmitted radiation.
c. Infrared radiation.
d. Side lighting.

arealhero   773   2 Replies

arealhero

A databank of ink dye patterns has been established by the U.S. Treasury Departm

A databank of ink dye patterns has been established by the U.S. Treasury Departm

A databank of ink dye patterns has been established by the U.S. Treasury Department using: 
   a. TTI.
   b. TLC.
   c. HPLC. 
   d. NAA. 

arealhero   1345   2 Replies

arealhero

Infrared luminescence is used to:

Infrared luminescence is used to:

Infrared luminescence is used to: 
   a. Detect if two different inks were used in the writing of a document.
   b. Reveal writing that has been erased.
   c. Prepare ink for thin-layer chromatography.
   d. a and b

arealhero   541   2 Replies

arealhero

In dealing with fax machines, photocopiers, and computer printers, which class c

In dealing with fax machines, photocopiers, and computer printers, which class c

In dealing with fax machines, photocopiers, and computer printers, which class characteristics might be examined?
   a. Type of paper 
   b. Chemical composition of toner 
   c. Type of toner-to-paper fusing method 
d.

arealhero   740   2 Replies

arealhero

The ease with which one can find individual variations in a typewritten document

The ease with which one can find individual variations in a typewritten document

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. 
   a. Less than 
   b. Greater than 
   c

arealhero   1087   2 Replies

arealhero

With regard to the constitutionality of obtaining handwriting exemplars, the cou

With regard to the constitutionality of obtaining handwriting exemplars, the cou

With regard to the constitutionality of obtaining handwriting exemplars, the courts have ruled all of the following EXCEPT:
   a. Such action does not constitute unreasonable search and seizure of a person.
   b. It is not in violation of Four

arealhero   562   2 Replies

arealhero

Which nitrogenous base is NOT found in DNA?

Which nitrogenous base is NOT found in DNA?

Which nitrogenous base is NOT found in DNA? 
   a. Thymine
   b. Cytosine 
   c. Uracil 
   d. Adenine 

arealhero   364   2 Replies

arealhero

One parent is type AB; the other parent is type O. A possible genotype for an of

One parent is type AB; the other parent is type O. A possible genotype for an of

One parent is type AB; the other parent is type O. A possible genotype for an offspring is:
   a. AB
   b. OO
   c. AO
   d. None of the above

arealhero   531   2 Replies

arealhero

After examining small paint chips from an auto accident scene and using the PDQ

After examining small paint chips from an auto accident scene and using the PDQ

After examining small paint chips from an auto accident scene and using the PDQ database, the crime lab worker can determine the _____ of the vehicle. 
   a. Model
   b. Make
   c. Year
   d. All of the above 

arealhero   845   2 Replies

arealhero

Carbon monoxide combines with what component of blood?

Carbon monoxide combines with what component of blood?

Carbon monoxide combines with what component of blood?
   a. Carboxyhemoglobin
   b. Hemoglobin
   c. Oxyhemoglobin
   d. White blood cells

arealhero   1217   2 Replies

arealhero

A substance with a pH of 8 is likely to be:

A substance with a pH of 8 is likely to be:

A substance with a pH of 8 is likely to be: 
   a. Water
   b. Neutral
   c. Acidic
   d. Basic 

arealhero   3354   2 Replies

arealhero

A technique applicable for determining whether or not an individual has ¬recentl

A technique applicable for determining whether or not an individual has ¬recentl

A technique applicable for determining whether or not an individual has ¬recently fired a weapon is:
   a. Neutron activation analysis.
   b. Atomic absorption analysis.
   c. The scanning electron microscope.
   d. All of the above

arealhero   925   2 Replies

arealhero

describe preserve and protect evidence in the forenscic science field

describe preserve and protect evidence in the forenscic science field

please help

jenbales77   1751   1 Reply

grichman

What is human smuggling? Human trafficking? How do the two differ under the law

What is human smuggling? Human trafficking? How do the two differ under the law

What is human smuggling? Human trafficking? How do the two differ under  the law?

colleen   1514   1 Reply

how_mendel

What are the causes of terrorism? What efforts is the U.S. government making to

What are the causes of terrorism? What efforts is the U.S. government making to

What are the causes of terrorism? What efforts is the U.S. government making to prevent and control the spread of domestic terrorism and international terrorism?

colleen   1613   1 Reply

how_mendel

What are the benefits of studying criminal justice systems in other countries? W

What are the benefits of studying criminal justice systems in other countries? W

What are the benefits of studying criminal justice systems in other countries? What problems are inherent in such study?

colleen   3004   1 Reply

how_mendel

Historically speaking, how have advances in technology affected society and crim

Historically speaking, how have advances in technology affected society and crim

Historically speaking, how have advances in technology affected society and criminal activity? What new kinds of crimes have technological advances made possible? Distinguish between new types of crimes produced by advancing technology and new ways o

colleen   4831   1 Reply

how_mendel

What role does technology play in the fight against crime? What new crime-fighti

What role does technology play in the fight against crime? What new crime-fighti

What role does technology play in the fight against crime? What new crime-fighting technologies hold the most promise for combating high-technology crimes?

colleen   4025   1 Reply

how_mendel

What is criminalistics? Explain the interplay between advancing technology and m

What is criminalistics? Explain the interplay between advancing technology and m

What is criminalistics? Explain the interplay between advancing technology and methods used to gather evidence in the fight against crime.

colleen   2389   1 Reply

how_mendel

How has technology affected the practice of criminal justice in America during t

How has technology affected the practice of criminal justice in America during t

How has technology affected the practice of criminal justice in America during the past century? How has it affected the criminal law?

colleen   3054   1 Reply

how_mendel

Why do criminal laws have to change to keep up the changes in technology? What m

Why do criminal laws have to change to keep up the changes in technology? What m

Why do criminal laws have to change to keep up the changes in technology? What modifications in current laws defining criminal activity might soon be necessary to meet the criminal possibilities inherent in new technologies?

colleen   3185   1 Reply

how_mendel

What threats to individual rights might advanced technology create? Will our sta

What threats to individual rights might advanced technology create? Will our sta

What threats to individual rights might advanced technology create? Will our standards as to what constitutes admissible evidence, what is reasonable privacy, and so on undergo a significant reevaluation as a result of emerging technologies?

colleen   4852   1 Reply

how_mendel

What is meant by community-oriented policing and problem solving and what are th

What is meant by community-oriented policing and problem solving and what are th

What is meant by community-oriented policing and problem solving and what are the components of the problem-solving process?

colleen   2116   2 Replies

colleen