CFC Forensic Science Principles & Investigative Methods 5

Question 1

What is the purpose of a 'Questioned Documents' examination in a fraud investigation involving a will?

Accepted Answer

To authenticate the signature and detect any alterations or forgeries in the document

Answer

Document examiners compare handwriting characteristics, ink dating, paper analysis, and printing methods to determine whether a will is genuine or has been forged or altered.

Question 2

Which investigative technique is used to visualize latent fingerprints on porous surfaces such as paper?

Accepted Answer

Ninhydrin treatment

Answer

Ninhydrin reacts with amino acids in sweat residue on porous surfaces, producing a purple compound (Ruhemann's purple) that makes latent prints visible.

Question 3

A forensic consultant is retained in a civil product liability case. Which standard of proof must the evidence meet?

Accepted Answer

Preponderance of the evidence

Answer

Civil cases require proof by a preponderance of the evidence, meaning it is more likely than not (greater than 50%) that the claims are true.

Question 4

In digital forensics, what does 'write-blocking' accomplish during evidence acquisition?

Accepted Answer

It prevents any data from being written to the original evidence media during imaging

Answer

A write-blocker is a hardware or software device that allows forensic examiners to read data from storage media without altering or adding any data on the original device.

Question 5

Which of the following is an example of 'trace evidence' at a crime scene?

Accepted Answer

Glass fragments, hair fibers, or paint chips transferred during a crime

Answer

Trace evidence consists of small, often microscopic materials transferred between persons, objects, or environments, including fibers, glass, soil, paint, and hair.

(CFC) Certified Forensic Consultant Practice Test

(CFC) Certified Forensic Consultant Practice Test

CFC Forensic Science Principles & Investigative Methods 5