Questions from Crime and Investigation

Q: What produces the violent physical disruption of the surrounding environment released in

What produces the violent physical disruption of the surrounding environment released in an explosion? Explain how this creates shrapnel when a bomb explodes.

Q: A bottle of gasoline sitting at room temperature does not spontaneously burst

A bottle of gasoline sitting at room temperature does not spontaneously burst into flame, and yet gasoline is an excellent fire accelerant. Based on your knowledge of the chemical reactions that initi...

Q: What are the three mechanisms of heat transfer? What is the

What are the three mechanisms of heat transfer? What is the difference between them?

Q: What is the main advantage of analyzing accelerant residues from a fire

What is the main advantage of analyzing accelerant residues from a fire using the vapor concentration technique over the headspace technique?

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

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

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

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

Q: Name five important characteristics of a printer, photocopier, or fax

Name five important characteristics of a printer, photocopier, or fax machine that a document examiner must identify when analyzing a document in a situation where the suspect machine is not available...

Q: List five objects that may be referred to as questioned documents if

List five objects that may be referred to as questioned documents if they were to be discovered at a crime scene. What makes a document a questioned document?

Q: Barbiturates act to: A) Produce sleep. B

Barbiturates act to: A) Produce sleep. B) Create a feeling of well-being. C) Promote relaxation. D) All of the above 22) Which is true of the use of mild tranquilizers? A) They impair high-thinki...

Q: What aspects of a computer should be photographed close-up at

What aspects of a computer should be photographed close-up at an electronic crime scene?